{"title":"3D Metal Model","description":"","products":[{"product_id":"quadrupedal-walking-3d-metal-machine-model","title":"Quadrupedal Walking 3D Metal Machine Model","description":"\u003cp\u003e\u003ciframe title=\"Quadrupedal Walking 3D Metal Machine Model\" src=\"https:\/\/www.youtube.com\/embed\/ztiEoy3FUVQ\" height=\"736\" width=\"414\"\u003e\u003c\/iframe\u003e\u003ciframe title=\"Quadrupedal Walking 3D Metal Machine Model\" src=\"https:\/\/www.youtube.com\/embed\/FfBr971ypjg\" height=\"736\" width=\"414\"\u003e\u003c\/iframe\u003eThe Quadrupedal Walking 3D Metal Machine Model is a meticulously crafted mechanical model made from high-quality metal. Designed with precision-fit gaps, this model ensures smooth and reliable movement, allowing it to walk in a lifelike manner.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10008.png?v=1728870968\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWeight: 400g\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOverall Dimension: L14cm*W*8cm*H12.5cm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSurface technology: polished \/ oxidized sandblasted\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePower supply: No.7 AAA1.5V battery * 2 sections\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMaterial: stainless steel\/copper alloy\/aluminum alloy\/Burma teak wood\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOperating at a slow speed, it showcases the intricate mechanics at play, making it a fantastic educational tool for demonstrations in science and engineering.\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10007_089b4337-ec96-4a86-bbd1-4f3728f4fb4a.jpg?v=1728870967\"\u003e \u003c\/p\u003e\n\u003cp\u003eThis model serves not only as a captivating desktop ornament but also as a collectible item for enthusiasts who enjoy exploring intricate designs and mechanisms. Perfect for display or hands-on engagement, it combines artistry with functionality in a stunning way.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":45527468572824,"sku":"Quadrupedal Walking","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10005_6c9f71f8-d9a6-42bf-b104-46a6a364df19.jpg?v=1728870571"},{"product_id":"v8-engine-model-kit-that-works-build-your-own-v8-engine-teching-1-3-full-metal-v8-car-engine-model-kit-500-pcs","title":"V8 Mechanical Metal Assembly DIY Car Engine Model Kit","description":"\u003cp\u003e\u003cstrong\u003e\u003ciframe title=\"Teching V8 Mechanical Metal Assembly DIY Car Engine Model Kit\" src=\"https:\/\/www.youtube.com\/embed\/0E69SZr4TVk\" height=\"736\" width=\"414\" allowfullscreen=\"\" referrerpolicy=\"strict-origin-when-cross-origin\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003ciframe title=\"Teching V8 Mechanical Metal Assembly Kit\" src=\"https:\/\/www.youtube.com\/embed\/v7RupemG4zA\" height=\"736\" width=\"414\" allowfullscreen=\"\" referrerpolicy=\"strict-origin-when-cross-origin\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003ciframe width=\"996\" height=\"560\" src=\"https:\/\/www.youtube.com\/embed\/eR8k19mrGlc\" title=\"Assembling a V8 Mini! Eyes will do, hands won't.\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDive into the fascinating world of automotive engineering with the Teching V8 Mechanical Metal Assembly DIY Car Engine Model Kit. This engaging kit offers car enthusiasts and aspiring engineers the chance to assemble a detailed replica of a V8 engine, providing a hands-on experience that is both educational and entertaining.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10007_40e99a9c-8ab4-4dbf-b10e-a7ea8427a9aa.png?v=1729564299\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eExquisite Craftsmanship:\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan\u003eEach part is made by CNC precision casting, and the aluminum alloy is oxidized for a gorgeous and durable appearance. The assembled V8 model can not only be used as a teaching tool or DIY project, but also an exquisite collectible or decorative object.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong\u003eModel Work:\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan\u003eIt is equipped with a 700mAh lithium battery that can work continuously for about 30 minutes under full charge, allowing you to observe the operation of the electric engine in real time.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong\u003eComplete with accessories:\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan\u003eMore than 500 precision cast metal parts and paper English instructions included with the kit make the assembly process both challenging and fun, with an estimated completion time of about 4 hours.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eProduct Weight: 2550g\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003ePackage Weight: 4500g\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eColoring Process: Anodizing\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eNumber of Parts: 500+pcs\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eLithium Battery: 3.7V 500mAh\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCharging Voltage: DC 5V\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCharging Time: 2 hours\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAssembling Difficulty: 5 stars\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAssembly Time: About 5 hours.\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eProduct Dimensions: 17.2 x 19.8 x 18cm\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePackage Dimensions: 34.2 x 24.2 x 15cm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/13_d88b86db-ceed-42dc-8eda-fb46fa4830d9.png?v=1729326018\" alt=\"\"\u003e\u003c\/p\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":45557637677208,"sku":"DM118","price":699.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10006_40ef9b9a-a0b7-4dd9-a089-ce0d2d95501c.jpg?v=1774266664"},{"product_id":"v4-car-engine-assembly-kit-full-metal-4-cylinder-car-engine-building-kit","title":"V4 Car Engine Assembly Kit Full Metal 4 Cylinder Car Engine Building Kit","description":"\u003cp\u003e\u003cstrong\u003eThe product design is inspired by the representative and nodal classic creations and excellent works in the history of human industrial science and technology, modeled according to the proportion and highly reproducible. 300 parts are exquisitely polished by the special grinding tool, interpreting the wisdom of human creativity and yearning for the great industrial era.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"414\" height=\"736\" src=\"https:\/\/www.youtube.com\/embed\/Uysq__vu-7c\" title=\"V4 Car Engine Assembly Kit Full Metal 4 Cylinder Car Engine Building Kit\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003ciframe title=\"V4 Car Engine Assembly Kit Full Metal 4 Cylinder Car Engine Building Kit\" src=\"https:\/\/www.youtube.com\/embed\/3UUJ7jpAfEY\" height=\"736\" width=\"414\" allowfullscreen=\"\" referrerpolicy=\"strict-origin-when-cross-origin\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eProduct Highlights\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e🛠️ \u003cstrong\u003eRealistic Building Process:\u003c\/strong\u003e\u003cbr\u003eWith \u003cstrong\u003e364 precision-crafted parts\u003c\/strong\u003e, this kit challenges and rewards you with a detailed assembly experience, making it a perfect project for enthusiasts aged 10 and above.\u003c\/p\u003e\n\u003cp\u003e⚙️ \u003cstrong\u003ePremium Metal Construction:\u003c\/strong\u003e\u003cbr\u003eMade from high-quality \u003cstrong\u003ealuminum alloy\u003c\/strong\u003e and \u003cstrong\u003estainless steel\u003c\/strong\u003e, this engine kit is built for durability and aesthetics. The \u003cstrong\u003eanodic oxidation\u003c\/strong\u003e finish ensures a sleek, corrosion-resistant surface.\u003c\/p\u003e\n\u003cp\u003e🔋 \u003cstrong\u003ePowered and Functional:\u003c\/strong\u003e\u003cbr\u003eEquipped with a \u003cstrong\u003e500mAh lithium battery\u003c\/strong\u003e, this engine operates smoothly and reliably for over \u003cstrong\u003e30 minutes\u003c\/strong\u003e on a full charge. Use the \u003cstrong\u003eDC 5V external power supply\u003c\/strong\u003e to recharge in just 2 hours.\u003c\/p\u003e\n\u003cp\u003e⏱️ \u003cstrong\u003eCompact Yet Impressive:\u003c\/strong\u003e\u003cbr\u003eDespite its compact design, this engine delivers a stunningly realistic simulation of mechanical motion, making it a captivating display piece and a functional masterpiece.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eExcellent Craftsmanship:\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThis engine kit is made entirely of metal, CNC precision casting, and anodized aluminum alloy parts.\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10002_986c9e80-dd4c-4829-8a67-f831dc50822e.jpg?v=1729326332\" alt=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eEngaging Assembly Experience:\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eComposed of 357 parts, the assembly process is estimated to take approximately 4 hours.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOperation:\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePowered by an electric motor and a 700mAh lithium battery, this electric engine model can run for about 30 minutes at full power, providing a practical understanding of the mechanics of the engine.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBasic Parameters\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBox weight: 3547g\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eParts quantity: 364pcs\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eCharging time: 2 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eProduct Model: DM13-L4-T\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eExternal power supply: DC 5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eColor process: anodic oxidation\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eLithium battery capacity: 500MAH\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eApplicable age: above 10 years old\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eMaterial: aluminum alloy + stainless steel\u003c\/li\u003e\n\u003cli\u003eProduct name：Inline four-cylinder engine\u003c\/li\u003e\n\u003cli\u003eBattery life: not less than 30 minutes under full charge condition\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":45557648392344,"sku":"DM113","price":469.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10001_93bb1edb-eed6-41c7-9747-2612a56f068a.webp?v=1750733930"},{"product_id":"5-cylinder-radial-engine-model-kit","title":"5 Cylinder Radial Engine Model Kit","description":"\u003cp\u003e\u003ciframe width=\"414\" height=\"736\" src=\"https:\/\/www.youtube.com\/embed\/Q-J8ZjRqKuw\" title=\"5 Cylinder Radial Engine Model Kit\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003ciframe title=\"5 Cylinder Radial Engine Model Kit\" src=\"https:\/\/www.youtube.com\/embed\/fcFqvLo7xHI\" height=\"736\" width=\"414\" allowfullscreen=\"\" referrerpolicy=\"strict-origin-when-cross-origin\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" frameborder=\"0\"\u003e\u003c\/iframe\u003eIn a star-five-cylinder engine, the pistons are connected to the crankshaft by a single main connecting rod. The connecting rod to which the uppermost piston is attached is known as the main connecting rod, while the connecting rods of the other pistons are known as knuckle-type connecting rods, which are attached by means of a pinhole to a ring in the central position of the main connecting rod. The cylinders radiate outward from the center crankcase like the spokes of a wheel. Prior to the advent of the turbine engine, the vast majority of large aircraft engines were of the star design.\u003cspan\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10002_904943a8-4ed4-4ee0-87d8-75ae5274fca0.jpg?v=1729480502\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"a-spacing-base\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10004_ee53c408-66bc-4ecb-9cef-27bc8dfea33e.jpg?v=1729480533\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp class=\"a-spacing-base\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eExquisite model ornaments:\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan\u003eAircraft five-cylinder radial engine model kits, with extremely textured metal parts, bring you all knowledge about the wonderful world of mechanical engineering in an immersive environment. You will start a great project to build your own aircraft engine, which will be more exciting and challenging than ever.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"a-spacing-base\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10003_8e178a89-3b4e-4ff7-967d-d41fdbcbb036.jpg?v=1729480562\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp class=\"a-spacing-base\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eInclude everything needed for construction:\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan\u003eThe engine consists of 230+pcs parts and comes with a paper English instruction manual. You will personally experience the whole process of assembling from small parts to complete finished products, and build a shocking engine model.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eProduct Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e🛠️ \u003cstrong\u003eRealistic Assembly Experience:\u003c\/strong\u003e\u003cbr\u003eWith over \u003cstrong\u003e230 precision-engineered parts\u003c\/strong\u003e, this kit offers a challenging yet rewarding building process, taking approximately \u003cstrong\u003e3 hours\u003c\/strong\u003e to assemble.\u003c\/p\u003e\n\u003cp\u003e⚙️ \u003cstrong\u003ePremium Metal Materials:\u003c\/strong\u003e\u003cbr\u003eMade from durable \u003cstrong\u003ealuminum alloy\u003c\/strong\u003e and \u003cstrong\u003estainless steel\u003c\/strong\u003e, this engine is built to last and boasts an elegant metallic finish.\u003c\/p\u003e\n\u003cp\u003e🔋 \u003cstrong\u003eBattery-Powered Motion:\u003c\/strong\u003e\u003cbr\u003eEquipped with a \u003cstrong\u003e3.7V 450mAh lithium battery\u003c\/strong\u003e, the engine operates smoothly and reliably. Recharge it in just \u003cstrong\u003e2 hours\u003c\/strong\u003e with a \u003cstrong\u003eDC 5V power supply\u003c\/strong\u003e and enjoy a stunning demonstration of radial engine mechanics.\u003c\/p\u003e\n\u003cp\u003e🎁 \u003cstrong\u003eLuxury Packaging:\u003c\/strong\u003e\u003cbr\u003ePresented in a \u003cstrong\u003ehigh-end metal gift box\u003c\/strong\u003e, this kit makes an exceptional gift for enthusiasts and collectors alike.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNumber of parts: 230+pcs\u003cbr data-mce-fragment=\"1\"\u003e\n\u003c\/li\u003e\n\u003cli\u003eProduct Weight: 1900g\u003cbr data-mce-fragment=\"1\"\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003ePackage Weight: 2500g\u003c\/li\u003e\n\u003cli\u003eCharging voltage: DC 5V\u003cbr data-mce-fragment=\"1\"\u003e\n\u003c\/li\u003e\n\u003cli\u003eCharging time: 2 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eLithium battery: 3.7V 450mAh\u003c\/li\u003e\n\u003cli\u003eAssembly time: about 3 hours\u003cbr data-mce-fragment=\"1\"\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003ePacking: high-end metal gift box\u003c\/li\u003e\n\u003cli\u003eMaterial: aluminum alloy + stainless steel\u003c\/li\u003e\n\u003cli\u003ePackage Dimensions: 34 x 24 x 14.5cm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/14_05fb4525-7913-4513-8f36-f6b0242246d8.png?v=1729328466\" alt=\"\"\u003e\u003c\/p\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":45557710717080,"sku":"5 Cylinder Radial","price":469.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10007_665c523b-d11d-4ba8-9d9c-8cbe52a50f17.jpg?v=1729328078"},{"product_id":"l4-diesel-engine-model-kit-4-cylinder-engine","title":"L4 Diesel Engine Model Kit 4-cylinder Engine","description":"\u003cp\u003e\u003ciframe title=\"L4 Diesel Engine Model Kit 4-cylinder Engine\" src=\"https:\/\/www.youtube.com\/embed\/JOWNxJBKLyk\" height=\"736\" width=\"414\" allowfullscreen=\"\" referrerpolicy=\"strict-origin-when-cross-origin\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch3 class=\"a-spacing-mini\"\u003eDynamic Simulated Model\u003c\/h3\u003e\n\u003cp class=\"a-spacing-base\"\u003eThe engine is able to connect the power and run driven by the motor for increased reality and interest. You can observe the engine running process throughout the process. The model not only makes an exquisite ornamental model, also available as a simulated dynamic model that simulates the operation of a real engine.\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10002_f1de6dc5-5116-40a2-a466-8c7996a860ce.jpg?v=1729492752\"\u003e\u003c\/p\u003e\n\u003ch3 class=\"a-spacing-mini\"\u003eExquisite Mechanical Decoration\u003c\/h3\u003e\n\u003cp class=\"a-spacing-base\"\u003eThe ingeniously designed mini OHV inline four-cylinder diesel model, with premium quality \u0026amp; extremely textured metal parts, briefs you on the wonderful world of mechanical engineering in an immersive environment.\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10003_c8404426-32bc-41d6-b46c-9e096f8e8671.jpg?v=1729492785\"\u003e\u003c\/p\u003e\n\u003ch3 class=\"a-spacing-mini\"\u003eAll Included For Building This Engine Model\u003c\/h3\u003e\n\u003cp class=\"a-spacing-base\"\u003eThe engine consists of 300+pcs parts and comes with a paper English instruction manual. You will personally experience the whole process of assembling from small parts to the finished product and build a shocking engine model.\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10004_fa7e5833-4684-4f5e-bca9-c8cef61b9239.jpg?v=1729492822\"\u003e\u003c\/p\u003e\n\u003ch3 class=\"a-spacing-mini\"\u003eSuperb STEM Activity\u003c\/h3\u003e\n\u003cp class=\"a-spacing-base\"\u003eThe wonderful activity allows adults to cooperate with children for assembly to spend their leisure time, which enhances parent-child interaction, walks children through popular industrial knowledge, increases their knowledge and imagination, develops mental and logical thinking as well as improves innovation and creativity.\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10005_fa064755-3515-4a46-938e-133901093593.jpg?v=1729492857\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eCharging Time: 2h\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eAssembling Time: 4h\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003ePackage Weight: 1800g\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eProduct Weight: 1500g\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eNumber of Parts: 300+pcs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDrive Mode: Motor Driver\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eBattery: 450mAh Li Battery\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eDegree of Difficulty: ★★★★☆\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eExternal Power: DC 5V (USB Cable)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003ePackage Dimensions: 20 x 20 x 15cm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eProduct Dimensions: 18 x 9.2 x 14.5cm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eService Time: Over 60mins (At Full Power)\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":45558573236376,"sku":"L4 Diesel Engine","price":369.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10001_8b25306e-87dd-4460-8e05-66d45e3d4aa6.jpg?v=1729345845"},{"product_id":"v2-car-engine-assembly-kit-full-metal-vtwin-2-cylinder-engine-build-kit","title":"V2 Car Engine Assembly Kit Full Metal VT 2 Cylinder Engine Build Kit","description":"\u003cp\u003e\u003cspan\u003e\u003ciframe title=\"V2 Car Engine Assembly Kit Full Metal VTwin 2 Cylinder Engine Build Kit\" src=\"https:\/\/www.youtube.com\/embed\/9Wt4nALZfQ8\" height=\"736\" width=\"414\" allowfullscreen=\"\" referrerpolicy=\"strict-origin-when-cross-origin\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003ciframe title=\"Get ready to rev up your creativity with the V2 Car Engine Assembly Kit! 🏎️⚙️\" src=\"https:\/\/www.youtube.com\/embed\/jn06aKVOtX8\" height=\"736\" width=\"414\" allowfullscreen=\"\" referrerpolicy=\"strict-origin-when-cross-origin\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003ciframe title=\"V2 Car Engine Assembly Kit Full Metal VTwin 2 Cylinder Engine Build KitRegular price\" src=\"https:\/\/www.youtube.com\/embed\/cx8Paz0Ta9M\" height=\"560\" width=\"996\" allowfullscreen=\"\" referrerpolicy=\"strict-origin-when-cross-origin\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" frameborder=\"0\"\u003e\u003c\/iframe\u003eOrigin: The world's first V-engine was born on June 9, 1889.Daimler applied for a patent for the new two-cylinder V-engine, which was granted in February of the following year under patent number 50839. Original products require the user to assemble the parts into a complete machine, and the whole process is close to a professional assembly line process, a fun and challenging experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10001_a4ca6cbc-702f-4571-ba7c-c600c067663f.jpg?v=1729480237\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"celwidget aplus-module 3p-module-b aplus-standard\" data-csa-c-id=\"bfqifm-pta80c-5myj3z-d2fs9a\" data-cel-widget=\"aplus-3p-module-b\" cel_widget_id=\"aplus-3p-module-b\"\u003e\n\u003cdiv class=\"aplus-module-wrapper aplus-3p-fixed-width\"\u003e\n\u003cp class=\"a-spacing-base\"\u003eV2 engine assembly kit is designed based on V-type twin-cylinder engine, works with electric motor. This 2 cylinder engine consists of 217pcs with a metal box. So people has to assemble the parts and components. The whole process is close to the professional assembly line process. It is interesting and full of experience.\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10002_94e2204f-ab8f-433d-b489-46957d3fbace.jpg?v=1729480270\"\u003e\u003c\/p\u003e\n\u003ch4 class=\"a-spacing-mini\"\u003eHigh Craftsmanship\u003c\/h4\u003e\n\u003cp class=\"a-spacing-base\"\u003eThe whole V2 engine is made of metal. With CNC precision casting process, aluminum alloy oxidation, looks gorgeous. The mechanical mechanism is extremely presented, and the clear transmission process is clear at a glance, and the mechanical beauty of the logic and strength is displayed.\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10003_f278f92c-e5ff-458b-a06f-df9d52b59fc0.jpg?v=1729480296\"\u003e\u003c\/p\u003e\n\u003ch4 class=\"a-spacing-mini\"\u003eWorking Principle\u003c\/h4\u003e\n\u003cp class=\"a-spacing-base\"\u003eIt is an electric engine, works with electric motor and 450mAh lithium battery.\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10004_5225bccf-c265-4652-95a4-0ea28987f54f.jpg?v=1729480329\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e🛠️ \u003cstrong\u003eRealistic Assembly Experience:\u003c\/strong\u003e\u003cbr\u003eWith \u003cstrong\u003e217 meticulously designed parts\u003c\/strong\u003e, this kit offers an authentic building process, making it a rewarding project for hobbyists and mechanical enthusiasts alike.\u003c\/p\u003e\n\u003cp\u003e⚙️ \u003cstrong\u003ePremium Materials:\u003c\/strong\u003e\u003cbr\u003eCrafted from \u003cstrong\u003ealuminum alloy\u003c\/strong\u003e and \u003cstrong\u003estainless steel\u003c\/strong\u003e, this engine is built to last, with a sleek metallic finish that exudes quality and sophistication.\u003c\/p\u003e\n\u003cp\u003e🔋 \u003cstrong\u003ePowered by Innovation:\u003c\/strong\u003e\u003cbr\u003eEquipped with a \u003cstrong\u003e500mAh lithium battery\u003c\/strong\u003e, the engine operates smoothly, mimicking real mechanical motion. \u003cstrong\u003eRecharge easily\u003c\/strong\u003e with DC 5V input, and enjoy a working time of over 30 minutes on a single charge.\u003c\/p\u003e\n\u003cp\u003e⏱️ \u003cstrong\u003eEfficient Build and Run Time:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssembly Time:\u003c\/strong\u003e Approximately 3.5 hours, perfect for a focused and enjoyable project.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorking Time:\u003c\/strong\u003e More than 30 minutes of mesmerizing engine performance once assembled.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e🔧 \u003cstrong\u003eCompact Design:\u003c\/strong\u003e\u003cbr\u003eMeasuring \u003cstrong\u003e213 × 215 × 135 mm\u003c\/strong\u003e, this engine is both portable and eye-catching, making it a standout display piece.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eParts: 217pcs\u003c\/span\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eEngine Weight: 3.5kg\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eLipo Capacity: 500mah\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCharging Voltage: DC 5V\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCharging Time: 40 mins\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEngine Size: 213×215×135mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eAssembly time: about 3.5 hours\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eWorking time: More than 30mins\u003c\/span\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMaterial: Aluminum Alloy + Stainless Steel + Lithium Battery\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":45558593683608,"sku":"V2 Car Engine","price":399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10001_d39ddde0-50f6-48c4-af92-c4fb1b68f7c7.jpg?v=1729346726"},{"product_id":"teching-219pcs-3d-metal-pumping-unit-model-diy-assembly-model","title":"219pcs 3D Metal Pumping Unit Model DIY Assembly Model","description":"\u003cp\u003e\u003ciframe title=\"Teching 219pcs 3D Metal Pumping Unit Model\" src=\"https:\/\/www.youtube.com\/embed\/ttyP1-yp4jY\" height=\"560\" width=\"996\" allowfullscreen=\"\" referrerpolicy=\"strict-origin-when-cross-origin\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003ciframe title=\"Unleash your inner engineer with the Teching 219pcs 3D Metal Pumping Unit Model!\" src=\"https:\/\/www.youtube.com\/embed\/2TGMg_5t3x4\" height=\"702\" width=\"395\" allowfullscreen=\"\" referrerpolicy=\"strict-origin-when-cross-origin\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" frameborder=\"0\"\u003e\u003c\/iframe\u003eThe pumping unit is a surface drive for a reciprocating piston pump in an oil well. If the pressure at the bottom of the well is not sufficient to keep the fluid flowing all the way to the surface, it mechanically lifts the fluid out of the well. This arrangement is usually used in onshore oil wells. Pump jacks are common in oil-rich areas. Each assembly is an industrial recreation. A pumping machine is a mechanical device used to extract oil, commonly known as a “knocker”, utilizing pressure to pump oil out of an oil well.\u003c\/p\u003e\n\u003cdiv class=\"theme-block\"\u003e\n\u003ch2\u003eOrigin of the Story\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"theme-block\"\u003e\n\u003cdiv class=\"rte\"\u003e\n\u003cdiv class=\"enlarge-text\"\u003e\n\u003cp\u003eThe basic features of the traveling beam pumping machine are simple structure, easy manufacture, easy use, especially it can be operated all-weather in the oil field for a long time and used reliably. Although it has the disadvantages of larger acceleration of donkey head suspension point movement, poorer balancing effect, lower efficiency, larger size and bulky in long stroke, it is still the most widely used pumping machine.\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10010_5b9e2eff-a9e5-40f2-a80e-4a2e06d3439e.jpg?v=1729347730\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProduct Weight: 636g\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003ePackage Weight: 1207g\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eNumber of Parts: 219Pcs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCharging Voltage: DC5V\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBattery Capacity: 500mAh\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003ePacking: Plastic Box + Blister\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eColoring Process: Anodizing\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAssembly Time: About 2 hours\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eFinished Size: 247 x 54 x 227mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProduct Dimensions: 24.7 x 5.4 x 22.7cm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePackage Dimensions: 26.2 x 5.1 x 21.5cm\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":45558643654808,"sku":"Pumping Unit","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10007_1.jpg?v=1729347730"},{"product_id":"teching-all-metal-single-cylinder-car-engine-assembly-kit","title":"All-metal Single-cylinder Car Engine Assembly Kit","description":"\u003cp\u003e\u003ciframe title=\"TECHING All-metal Single-cylinder Car Engine Assembly Kit\" src=\"https:\/\/www.youtube.com\/embed\/APUBOPDNw4Y\" height=\"560\" width=\"996\" allowfullscreen=\"\" referrerpolicy=\"strict-origin-when-cross-origin\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003ciframe title=\"TECHING All-metal Single-cylinder Car Engine Assembly Kit\" src=\"https:\/\/www.youtube.com\/embed\/J1GGB9g7TwQ\" height=\"736\" width=\"414\" allowfullscreen=\"\" referrerpolicy=\"strict-origin-when-cross-origin\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" frameborder=\"0\"\u003e\u003c\/iframe\u003eDive into the fascinating world of automotive engineering with the \u003cstrong\u003eTECHING All-Metal Single-Cylinder Car Engine Assembly Kit\u003c\/strong\u003e. This detailed model allows you to assemble a fully functional single-cylinder engine, providing a hands-on experience that combines creativity, learning, and engineering!\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10001_6d7bfc00-2cec-4fcd-a04a-e4661aa3b6ee.jpg?v=1729670750\"\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eProduct Features:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAll-Metal Construction\u003c\/strong\u003e: Crafted from high-quality metal components, this kit offers durability and a realistic feel, ensuring a sturdy model that can withstand the test of time.\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10002_ad330c42-20d7-4549-8c76-4024945b8b79.jpg?v=1729670763\"\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntricate Design\u003c\/strong\u003e: The kit features precision-engineered parts that replicate the inner workings of a single-cylinder engine, allowing you to appreciate the mechanics of motion as you build.\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10003_b234c62f-279d-4629-843e-1e974de7926e.jpg?v=1729670775\"\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eComplete DIY Experience\u003c\/strong\u003e: Includes all necessary parts and tools, along with clear, step-by-step instructions, making it accessible for builders of all skill levels.\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10004_4864ab4a-e3b0-488e-ad3b-1735896964de.jpg?v=1729670802\"\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEducational Value\u003c\/strong\u003e: Perfect for students and hobbyists alike, this assembly kit provides valuable insight into automotive technology and engineering principles.\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10005_784828ef-c2df-4f25-9ed8-15fd3f03357c.jpg?v=1729670815\"\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGreat Display Piece\u003c\/strong\u003e: Once completed, the engine model makes an impressive addition to any collection or workspace, showcasing your craftsmanship and love for engineering.\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10007_729965f0-7c94-4d90-b9f3-6b3ee734a821.jpg?v=1729670704\"\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe TECHING All-Metal Single-Cylinder Car Engine Assembly Kit is more than just a model; it’s an engaging educational experience that sparks curiosity and enhances your understanding of mechanical systems. As you assemble each piece, you'll gain hands-on experience and a deeper appreciation for the art of engineering.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/16_e6592eb0-a98a-4529-a932-8c5ba40eb547.png?v=1729671182\"\u003e\u003c\/p\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":45568743309464,"sku":"All-metal Single-cylinder Car","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10001_816f38dd-d42f-4edd-8a6f-23dda1efc167.jpg?v=1729670704"},{"product_id":"teching-full-metal-4-cylinder-car-l4-engine-model-kit","title":"Full Metal 4 Cylinder Car L4 Engine Model Kit","description":"\u003cp\u003e\u003ciframe width=\"996\" height=\"560\" src=\"https:\/\/www.youtube.com\/embed\/dCyHULijuss\" title=\"TECHING Full Metal 4 Cylinder Car L4 Engine Model Kit\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003eGet ready to dive into the mechanics of automotive engineering with the \u003cstrong\u003eTECHING Full Metal 4 Cylinder Car L4 Engine Model Kit\u003c\/strong\u003e. This meticulously crafted model allows you to assemble a fully functional four-cylinder engine, making it an exciting project for both enthusiasts and aspiring engineers!\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10013_fd37a858-51f7-4d98-9199-1f4767427e4a.jpg?v=1729673101\"\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eProduct Features:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePremium All-Metal Construction\u003c\/strong\u003e: Made from high-quality metal components, this kit provides durability and a realistic experience, ensuring your model stands the test of time.\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10015_5928b264-8062-4b52-8b6d-bf8ab13ebce2.jpg?v=1729673101\"\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDetailed Engineering Design\u003c\/strong\u003e: The kit features intricately designed parts that replicate the inner workings of a 4-cylinder engine, offering a true-to-life building experience that enhances your understanding of engine mechanics.\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10016_5948fbb5-e95a-498c-a625-42c91eac0d12.jpg?v=1729673101\"\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eComprehensive DIY Assembly\u003c\/strong\u003e: Each kit includes all necessary parts and tools, along with clear, step-by-step instructions to guide you through the assembly process. 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This stunning model captures the elegance of a dragonfly in flight, combining intricate metalwork with delicate movement. Each piece comes together to form a sophisticated kinetic sculpture that mimics the gentle flutter of wings—a perfect blend of art, engineering, and creativity.\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10003_a5e2c17b-33c9-496e-8406-01f87f95a70c.jpg?v=1730967645\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eElegant Design\u003c\/strong\u003e: This dragonfly model showcases a beautifully designed structure, with realistic details that bring the insect’s delicate form to life. It’s a mesmerizing addition to any space, inviting both admiration and fascination.\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10004_8aed1967-1cca-482c-8fe5-13bdafd63cfd.jpg?v=1730967646\"\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKinetic Movement\u003c\/strong\u003e: Equipped with a clever gear system, this sculpture features gentle, lifelike wing movements when activated, capturing the grace and rhythm of a dragonfly in flight.\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10009_0b1411ca-8c8b-4771-b20b-868a44fe612a.jpg?v=1730967645\"\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Metal Craftsmanship\u003c\/strong\u003e: Made from high-quality metal components, the kit combines durability with detailed artistry. Each part is crafted with precision, ensuring a smooth and satisfying assembly process.\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10008_00b823d3-ac4f-457c-9196-52bd13ef9345.jpg?v=1730967646\"\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY Experience\u003c\/strong\u003e: Designed for hands-on creativity, this kit provides hours of enjoyable assembly, allowing you to fully appreciate each intricate detail as you build.\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10006_345adf8b-d5da-4850-a0c8-28017c52582b.jpg?v=1730967645\"\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect Gift for Art and DIY Lovers\u003c\/strong\u003e: This kinetic sculpture is an exceptional gift for those who love the intersection of art and mechanics, making it a unique piece for display in homes, offices, or studios.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cspan\u003eProduct Weight: 800g\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cspan\u003ePower Supply: DC 5V\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMaterial: Aluminium Alloy\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProduct Dimensions: 22 x 11.4 x 27.1cm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage Dimensions: 26.5 x 22 x 6cm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNumber of Components: 100PCS (takes 1-2 hours)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eBlocking Function: power off automatically when encountering external resistance\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":45618412945560,"sku":"Teching Flying D","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10002_aa9a5def-9d66-4fd9-9b13-302fbde3456d.jpg?v=1730967646"},{"product_id":"ornithopter-3d-metal-model-puzzle","title":"Ornithopter 3D Metal Model Puzzle","description":"\u003cp\u003eExperience the thrill of aviation with the \u003cstrong\u003eOrnithopter 3D Metal Model Puzzle\u003c\/strong\u003e—a stunning, detailed puzzle that brings the concept of mechanical flight to life. Inspired by the ingenious designs of early flight, this intricately crafted metal model lets you build your very own flying machine. A perfect blend of engineering, craftsmanship, and creativity, this puzzle offers a rewarding challenge for puzzle enthusiasts and aviation lovers alike.\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10007_3883ef95-031d-467f-9ea5-f778016d999f.jpg?v=1736990025\"\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e🕊️ \u003cstrong\u003eRealistic Ornithopter Design\u003c\/strong\u003e: With finely crafted metal pieces, this puzzle recreates the look and feel of an ornithopter—an early flying machine inspired by the flapping wings of birds. The finished model will amaze with its intricate details and realistic appearance.\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10006_043844a9-4233-4d2b-b7c3-bfca79c73b15.jpg?v=1736990038\"\u003e\u003c\/p\u003e\n\u003cp\u003e🔧 \u003cstrong\u003eChallenging Assembly\u003c\/strong\u003e: This model has a moderate difficulty level, providing a satisfying challenge for experienced puzzle solvers. The assembly process requires patience and precision, with a rewarding final result that you’ll be proud to display.\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10005_aa694913-bb62-4a56-abfa-44efd3c93ea6.jpg?v=1736990051\"\u003e\u003c\/p\u003e\n\u003cp\u003e🪙 \u003cstrong\u003eHigh-Quality Materials\u003c\/strong\u003e: Made from durable, eco-friendly metal, each piece is laser-cut for precision and perfect fit. The high-quality material ensures that your completed model will stand the test of time.\u003c\/p\u003e\n\u003cp\u003e📏 \u003cstrong\u003eCompact \u0026amp; Impressive Display\u003c\/strong\u003e: Once assembled, the model measures \u003cstrong\u003e190 x 260 x 170 mm\u003c\/strong\u003e—a beautiful, eye-catching piece that will make a statement on any shelf, desk, or display case.\u003c\/p\u003e\n\u003cp\u003e🎁 \u003cstrong\u003ePerfect Gift for Aviation Lovers \u0026amp; Puzzle Enthusiasts\u003c\/strong\u003e: This 3D metal model puzzle makes a unique and thoughtful gift for aviation fans, puzzle lovers, or anyone who appreciates the beauty of mechanical engineering.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePuzzle Pieces\u003c\/strong\u003e: 160\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifficulty Level\u003c\/strong\u003e: ★★★\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAverage Assembly Time\u003c\/strong\u003e: 2-6 Hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssembled Size\u003c\/strong\u003e: 190 x 260 x 170 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterials\u003c\/strong\u003e: High-quality metal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Age\u003c\/strong\u003e: 14+\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":45822976589976,"sku":"Ornithopter","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/10001_cfbd58e5-d404-475e-ad17-6236a2e4f164.jpg?v=1736989969"},{"product_id":"titanic-3d-wooden-puzzles","title":"Titanic 3D Metal Puzzles","description":"\u003ch3 data-start=\"81\" data-end=\"149\"\u003e🚢 Titanic 3D Metal Puzzle – Assemble a Piece of Maritime History\u003c\/h3\u003e\n\u003cp data-start=\"151\" data-end=\"225\" class=\"\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eEmbark on a captivating journey through time with the \u003cstrong data-start=\"54\" data-end=\"81\"\u003eTitanic 3D Metal Puzzle\u003c\/strong\u003e. This intricately designed model offers enthusiasts a chance to recreate the grandeur of the legendary RMS Titanic, combining historical appreciation with hands-on craftsmanship.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"227\" data-end=\"257\" class=\"\"\u003e📦 Product Specifications:\u003c\/h3\u003e\n\u003cul data-start=\"258\" data-end=\"513\"\u003e\n\u003cli data-start=\"258\" data-end=\"319\" class=\"\"\u003e\n\u003cp data-start=\"260\" data-end=\"319\" class=\"\"\u003e\u003cstrong data-start=\"260\" data-end=\"281\"\u003eDifficulty Level:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e★★★ (Intermediate)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"320\" data-end=\"386\" class=\"\"\u003e\n\u003cp data-start=\"322\" data-end=\"386\" class=\"\"\u003e\u003cstrong data-start=\"322\" data-end=\"346\"\u003eFinished Model Size:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e17.5 x 4.6 x 0.1 inches\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"387\" data-end=\"447\" class=\"\"\u003e\n\u003cp data-start=\"389\" data-end=\"447\" class=\"\"\u003e\u003cstrong data-start=\"389\" data-end=\"407\"\u003eAssembly Time:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e4–8 hours\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"448\" data-end=\"513\" class=\"\"\u003e\n\u003cp data-start=\"450\" data-end=\"513\" class=\"\"\u003e\u003cstrong data-start=\"450\" data-end=\"470\"\u003eRecommended Age:\u003c\/strong\u003e 14+\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"515\" data-end=\"536\" class=\"\"\u003e🛠️ Key Features:\u003c\/h3\u003e\n\u003cul data-start=\"537\" data-end=\"844\"\u003e\n\u003cli data-start=\"537\" data-end=\"605\" class=\"\"\u003e\n\u003cp data-start=\"539\" data-end=\"605\" class=\"\"\u003e\u003cstrong data-start=\"539\" data-end=\"565\"\u003ePrecision Engineering:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eCrafted with high-quality metal pieces, each component fits seamlessly, ensuring a satisfying building experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"606\" data-end=\"672\" class=\"\"\u003e\n\u003cp data-start=\"608\" data-end=\"672\" class=\"\"\u003e\u003cstrong data-start=\"608\" data-end=\"632\"\u003eAuthentic Detailing:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eFrom the ship's hull to its iconic smokestacks, every element mirrors the Titanic's original design, offering a realistic and educational model.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"673\" data-end=\"736\" class=\"\"\u003e\n\u003cp data-start=\"675\" data-end=\"736\" class=\"\"\u003e\u003cstrong data-start=\"675\" data-end=\"696\"\u003eNo Glue Required:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eThe puzzle's design allows for assembly without adhesives, making the process cleaner and more straightforward.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":46572638077080,"sku":"Titanic","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/51Z3PaUmiKL.jpg?v=1747638911"},{"product_id":"galileo-pendulum-clock-engine-building-kit-toy","title":"Galileo Pendulum Clock Engine Building Kit Toy","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1, High Craftsmanship:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe whole steam train engine is made of metal. With CNC precision casting process, aluminum alloy oxidation, looks gorgeous. The mechanical mechanism is extremely presented, and the clear transmission process is clear at a glance, and the mechanical beauty of the logic and strength is displayed. Ideal for gift collection.\u003cbr\u003e\u003cstrong\u003e2, Fun Assembly Kit:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe steam train engine is consisting of 91 pcs, the whole assembly process take around 1 hours. While assembly, you will understand the car working structure. The difficulty level is 3 stars. Challenge yourself and prove yourself, build confident in between.\u003cbr\u003e\u003cstrong\u003e3, Working Principle:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eManual dialing, swinging for 5-10 minutes in a single swing.\u003cbr\u003e\u003cstrong\u003e4, Ideal Gift Choice:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWith competitive price and high-end package, ideal gift for yourself, friends, kids, colleagues or family members. They will 100% love it.\u003cbr\u003e\u003cstrong\u003e5, Recommend Age:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSuit for people over 8 Years Old.\u003cbr\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003cbr\u003eMaterial: Aluminum Alloy + Stainless Steel\u003cbr\u003eQuantity: 91 Pcs\u003cbr\u003e\u003cspan\u003eEngine Size: 142×58×200mm\u003cbr\u003eNet Weight: 1600g\u003cbr\u003eAge: Kids over 10 years old\u003cbr\u003ePacking: In-line Punching EVA,Into The High-grade Metal Gift Box With A Hand Bag\u003c\/span\u003e\u003c\/p\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":46694171082904,"sku":"Galileo Pendulum Clock Engine Building Kit Toy","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/TechingEngineAssemblyKitFullMetalGalileoPendulumClockEngineBuildingKitToyGift-enginediy_1.jpg?v=1749692245"},{"product_id":"american-bald-eagle-model-kit-haliaeetus-leucocephalus","title":"American Bald Eagle Model Kit - Haliaeetus Leucocephalus","description":"\u003cp\u003eExquisite \u0026amp; Collectible Desktop Deco.:\u003cbr\u003eThe collectible 3D eagle metal model kit is casted by CNC and colored by aluminum alloy oxidation, while combining mechanical engineering and nature eagle wing power. Begin your adventure into the world of mechanical engineering now!\u003cbr\u003e\u003cbr\u003eEnjoy DIY Fun:\u003cbr\u003eThe model is composed of 240PCS+ parts, and takes about 1-2 hours to assemble. With the paper English instruction manual, you will experience the whole process of assembling from small parts to finished products, and build your own exquisite metal model art work.\u003cbr\u003e\u003cbr\u003eExcellent Gift Choice:\u003cbr\u003eThis mechanical eagle not only shows the beauty of the combination of mechanical art and natural organisms, but also integrates with the home environment. It makes a perfect desktop decoration, a collection, and a tool for school teaching, an office display. As the product is packaged in a high-grade metal gift box, it is a satisfactory gift for children or adults.\u003cbr\u003e\u003cbr\u003eSpecifications:\u003cbr\u003e.Material: Aluminium Alloy\u003cbr\u003e.Power Supply: DC 5V\u003cbr\u003e.Number of Parts: 240PCS (about 1-2 hours to assemble)\u003cbr\u003e.Product Dimensions: 8 x 8 x 35cm\u003cbr\u003e.Product Weight: 250g\u003cbr\u003e.Package Dimensions: 24.4 x 19.3 x 7cm\u003cbr\u003e.Paking: Graphic Carton\u003c\/p\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":46718313136280,"sku":"","price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/TECHINGAmericanBaldEagleModelKit-HaliaeetusLeucocephaluswithFlyingandFlappingWings.jpg?v=1750385140"},{"product_id":"1-10-full-metal-electric-turbojet-engine-small-bypass-ratio-twin-rotor-aircraft-model","title":"1\/10 Full Metal Electric Turbojet Engine Small Bypass Ratio Twin Rotor Aircraft Model","description":"\u003cp\u003e\u003cstrong\u003e\u003ciframe title=\"Bypass Ratio Twin Rotor Aircraft Model\" src=\"https:\/\/www.youtube.com\/embed\/DCLjsn3RQao\" height=\"736\" width=\"414\"\u003e\u003c\/iframe\u003e\u003ciframe title=\"1\/10 Full Metal Electric Turbojet Engine Small Bypass Ratio Twin Rotor Aircraft Model\" src=\"https:\/\/www.youtube.com\/embed\/rcE3hW3NwZI\" height=\"736\" width=\"414\"\u003e\u003c\/iframe\u003eRealistic \u0026amp; Authentic:\u003c\/strong\u003e\u003cbr\u003eThis Turbofan Engine Model is a lifelike, visually stunning scaled-down model that provides a true representation of a full-sized engine. Main components include the fan, core engine, low-pressure turbine, afterburner, exhaust nozzle, and accessory gearbox.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Quality Construction:\u003c\/strong\u003e\u003cbr\u003eMade of high-quality metal, the meticulous model, full of detail and features, undergoes precision casting and CNC machining, along with sandblasting and anodized coloring treatment on the surface, ensuring durability and accuracy the same as the real model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEnjoy DIY Assembling Experience: \u003c\/strong\u003e\u003cbr\u003eThe turbofan engine kit includes over 600 pieces (including screws \u0026amp; nuts) and comes with tools and a paper-based English instructions. You will experience the entire assembly process from small parts to a complete finished engine model, creating a stunning turbofan engine model that offers unprecedented excitement and challenge.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDisplay or Collect:\u003c\/strong\u003e\u003cbr\u003eWhether for the aviation enthusiast, collector, or simply appreciate engineering marvels, the impressive small bypass ratio twin rotor turbofan engine model adds a touch of sophistication to your home, office, or aviation-themed decor, serving as a conversation starter and a focal point of admiration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWide Application:\u003c\/strong\u003e\u003cbr\u003eIt can be used as teaching aids, in DIY project or engine collections. Besides, With high-end package, ideal gift for yourself, friends, kids, colleagues or family members. They will 100% love it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUnique Aviation Gifts and Collection for Pilots, Plane Lovers:\u003c\/strong\u003e\u003cbr\u003eThe products are packaged in high-end metal gift boxes, which are the best gift choices for friends and relatives. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMore Details:\u003c\/strong\u003e\u003cbr\u003e.Material: Aluminum alloy + Stainless Steel\u003cbr\u003e.Scale: 1\/10\u003cbr\u003e.Number of Parts: 600+PCS\u003cbr\u003e.Drive System: Motor-driven\u003cbr\u003e.Battery: 3.7V 800mAh Lithium Battery(Two) or Direct Power Supply of Household\u003cbr\u003e.Power Charging Cable: DC 5V USB Cable\u003cbr\u003e.Charging Time: 2 Hours\u003cbr\u003e.Battery Life: 30min (at Full Charge)\u003cbr\u003e.Assembly Time: Approx. 5+ Hours\u003cbr\u003e.Difficulty Level: ★★★☆☆\u003cbr\u003e.Product Weight: 7500g\u003cbr\u003e.Package Weight: 8500g\u003cbr\u003e.Product Dimensions: 45 x 13 x 19cm\u003cbr\u003e.Product Dimensions: 38 x 18 x 25 cm\u003cbr\u003e\u003c\/p\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":46718580392088,"sku":"","price":799.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/techingmetalturbofanenginemodelkitthatworksbuildyourownturbojetengineelectricsmallbypassratiotwinrotoraircraftmodeldm135strikefighter_1.jpg?v=1750385932"},{"product_id":"fantasy-large-dragon-aurora-of-the-sky-3d-metal-mechanical-difficult-puzzle-3000-pcs-126cm-long","title":"Fantasy Large Dragon Aurora of the Sky 3D Metal Mechanical Difficult Puzzle 3000+PCS 126cm Long","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e.Sophisticated Dragon Design: Carefully crafted with flowing lines and a fierce look, this model consists of 3000+ metal pieces to bring the Bloodthirsty Aurora Dragon to life in stunning detail.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.No Glue Required Assembly: Forget the mess of glue! This model uses a screw-and-bolt assembly method, ensuring a seamless, stable, and clean construction process.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Realistic and Durable Build: Constructed from premium quality metal materials, the Bloodthirsty Aurora Dragon is as durable as it is visually striking, making it a long-lasting piece of art.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Exclusive Stand Included: The model comes with a custom stand designed with a damping structure, offering secure and elegant support for displaying this incredible dragon.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Perfect for Collectors \u0026amp; Gifting: Whether you’re an art lover, an engineer at heart, or a fan of intricate models, this assembly kit makes a perfect gift for enthusiasts and collectors alike.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Note: Due to the large size of the product and the large number of movable joints, it cannot stand on its own and needs to be displayed with a stand.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e.Material: Metal\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Product name: Bloodthirsty Aurora Dragon\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Number of parts: 3000+PCS\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Movable joints: 72\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Product Weight: 7600g\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Package Weight: 8000g\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Product Dimensions: 124 x 126 x 22cm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Package Dimensions: 35 x 20 x 80cm\u003c\/span\u003e\u003c\/p\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":46734804091032,"sku":"","price":699.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/01_847fb08d-9fb6-420a-ad25-b385bf13c037.jpg?v=1750836502"},{"product_id":"36cc-dohc-inline-4-cylinder-4-stroke-water-cooled-electrically-started-gasoline-engine-model-for-rc-model-car-boat-tank-airplane","title":"36cc DOHC Inline 4 Cylinder 4 Stroke Water-cooled Electrically Started Gasoline Engine Model for RC Model Car Boat Tank Airplane","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e\u003cstrong\u003eDouble Overhead Camshaft Design:\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThe engine adopts a four-cylinder, four-stroke, eight-valve design, and dual overhead camshafts (DOHC) control the intake and exhaust valves respectively, with stable performance, stronger and more stable power output.\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eWith Water-cooled Pump and Oil Pump:\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAn external water-cooled pump can effectively dissipate heat and cool the engine. The oil pan contains an oil pump, and the oil is well circulated.\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eEasy and Convenient Ignition Start:\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHall-type CDI pulse electric ignition design, and equipped with a large torque starter motor, the engine starts easily and smoothly.\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eExquisite Simulation Appearance:\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThe whole machine shell is manufactured by CNC machining center, and the appearance is exquisite and atmospheric and full of texture. The design of red sports elements and the highly simulated appearance are closer to the real engine.\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eExquisite Parts Processing Technology:\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThe crankshaft made by dozens of processes is high-precision, high-strength and durable. The inner wall of the high-strength cylinder liner is chrome-plated to increase wear resistance and smoothness, and improve service life. The piston adopts a simulated three-ring design, including a tapered gas ring and an oil ring, and the combustion efficiency is more efficient.\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eWide Range of Applications:\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe engine is suitable for refitting to large-scale RC model cars, boats, tanks, and it is also very suitable for playing as a desktop model, refitting into a generator, etc. It is a high-quality choice for model players with strong DIY hands-on ability.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e.Color: As Shown\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Material: Aluminum Alloy\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Model: D6\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Displacement: 36cc (4×9cc)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Cylinders: Four cylinders\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Strokes: four strokes\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Piston Diameter: 22.9mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Speed: 7800r\/min\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Fuel: 92#\/95# gasoline\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Lubrication Method: 70-80mL dosage, 20-40w oil viscosity\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Cooling Method: Water-cooled\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Ignition Method: Hall type CDI pulse electric ignition\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Start Mode: Electric start (motor starter)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Product Dimensions: 19 x 13.1 x 12.5cm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Product Weight: 3000g\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Package Dimensions: 25 x 16 x 18cm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Package Weight: 3500g\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Packing: Box\u003c\/span\u003e\u003c\/p\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":46796073140376,"sku":null,"price":999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/01_5fe77c55-69d2-4597-896d-22feadee7fbe.jpg?v=1752506233"},{"product_id":"l4-engine-gs-l4-36cc-dohc-inline-4-cylinder-4-stroke-water-cooled-l4-rc-gasoline-engine-model-that-works-speed-up-to-12-000rpm","title":"L4 Engine GS-L4 36cc DOHC Inline 4 Cylinder 4 Stroke Water-Cooled L4 RC Gasoline Engine Model that Works - Speed Up to 12,000rpm","description":"\u003cp\u003e\u003cstrong\u003e\u003ciframe width=\"996\" height=\"560\" src=\"https:\/\/www.youtube.com\/embed\/bPzfDw_GZeM\" title=\"Inline 4 Cylinder 4 Stroke Water-Cooled L4 RC Gasoline Engine Model that Works Speed Up to 12,000rpm\"\u003e\u003c\/iframe\u003eRealistic DOHC Design: \u003c\/strong\u003e\u003cbr\u003eThis L4 engine model features a Dual Overhead Cam (DOHC) structure, accurately replicating the design and functionality of a real car engine for an ultra-realistic experience.\u003cbr\u003e\u003cstrong\u003ePrecision Engineering \u0026amp; 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This V12 engine uses a double overhead camshaft valvetrain with a total of 48 valves, an exposed timing belt, and even the scale and appearance of the engine. Every effort has been made to maintain a high level of performance and be able to provide extraordinary power.\u003cbr\u003e2. Independent lubrication system, the oil sump oil pump pumps oil to the top of the engine for lubrication, and a transparent visible oil well cover is added. There is no need to disassemble the remaining oil to see the remaining amount, and the oil can be recycled and reused.\u003cbr\u003e3. The side water-cooling pump provides effective heat dissipation, which can extend the engine working time and service life.\u003cbr\u003e4. Hall-type CDI pulse dual-distribution ignition design, and equipped with a 3548 brushless starter motor, which can be started with one button and is more convenient to operate.\u003cbr\u003e5. The entire machine casing is precision-manufactured by all-aluminum CNC, with a highly realistic shape and integrated exhaust manifold to restore the real engine sound.\u003cbr\u003e6. Three piston rings (air ring, cone ring, oil ring) design and 32 process oil rings ensure in-cylinder compression and more efficient combustion efficiency.\u003cbr\u003e7. High-hardness piston cylinder liner, cast integrated crankshaft, and the crankshaft is supported by full bearings (three large bearings in the middle and small bearings at both ends), which has high strength and good durability.\u003cbr\u003e8. This engine is widely used. It can be used to modify large-scale model cars, ships, and tanks. It is also suitable as a desktop DIY working engine.\u003cbr\u003e9. This is an amazing piece of mechanical craftsmanship. The reliability and good working performance of this engine make it very popular among high-end collector engine users. 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Note: The engine needs to prepare the following additional ignition and water cooling kits: cdi igniter*2, power supply voltage 10-12V*2; 80A ESC*1, power supply voltage 24V (6S battery), fuel tank*1, fuel pipe*1 , radiator fan*1, water cooling pipe*1.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMaterial: Metal\u003cbr\u003eColor: As Pictures Shown\u003cbr\u003eModel: GS-V12\u003cbr\u003eForm: Preassembled Edition\u003cbr\u003eDimensions: 23.5*14*23cm\u003cbr\u003eWeight: 8KG\u003cbr\u003eEngine Type: Gasoline Internal Combustion Engine\u003cbr\u003eValve Mechanism Type: DOHC\u003cbr\u003eDisplacement: 72cc\u003cbr\u003eCylinder: V-shaped Twelve Cylinders\u003cbr\u003eStroke: Four-Stroke\u003cbr\u003eBore Diameter: 20mm\u003cbr\u003eStroke: 18mm\u003cbr\u003eValve: 48 Valves (4*12)\u003cbr\u003eOutput Shaft Diameter: 10mm\u003cbr\u003eMaximum Speed: 10000rpm\u003cbr\u003eMaximum Power: 3.8 kw\u003cbr\u003eCooling Method: Water Cooling\u003cbr\u003eLubrication Method: independent lubrication (oil pump lubrication);\u003cbr\u003eStarting Method: electric start (including brushless starter motor);\u003cbr\u003eIgnition Mode: cdi igniter and distributor control ignition;\u003cbr\u003eSpark Plug Type: 3\/16-40 inch thread spark plug;(\u003cspan\u003e33ED3439081)\u003c\/span\u003e\u003cbr\u003eIgnition Voltage: 10-12V\u003cbr\u003eStarting Power supply: 24 batteries (not included);\u003cbr\u003eFuel: 95# and above gasoline\u003cbr\u003eEngine Oil Model: 0-15w\u003cbr\u003eOil Volume: 70-80mL\u003c\/p\u003e","brand":"surplusfun","offers":[{"title":"Engine Only","offer_id":46796118786200,"sku":null,"price":3399.99,"currency_code":"USD","in_stock":true},{"title":"Engine \u0026 Starter Kit","offer_id":46796118818968,"sku":null,"price":3499.99,"currency_code":"USD","in_stock":true},{"title":"Engine \u0026 Upgrade Start Kit \u0026 Base - One Key Start","offer_id":46796118851736,"sku":null,"price":3699.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/01_9587268b-1c66-443f-9803-f7043a3a20cf.jpg?v=1752506980"},{"product_id":"mechanical-beetle-v8-3d-metal-model","title":"Mechanical Beetle V8 3D Metal Model","description":"\u003cp data-start=\"122\" data-end=\"410\"\u003eUnleash the power of engineering with the \u003cstrong data-start=\"164\" data-end=\"188\"\u003eMechanical Beetle V8\u003c\/strong\u003e — a bold fusion of mechanical precision and artistic design. 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Mobile phone APP control: Through the mobile phone APP control, the robot can walk and rotate freely, which is completely controlled by you.\u003cbr\u003e2. Metal: Metal material, precision casting with CNC technology, aluminum alloy oxidized color, exquisite workmanship at the level of collection crafts.\u003cbr\u003e3. Machinery: The classic mechanical mechanism is presented, so the clear transmission process is clear at a glance, showing the beauty of the meticulous logic and powerful machinery.\u003cbr\u003e4. Reality: Design prototypes based on historical and classic inventions and products, presenting the core principles of machine operation, and intuitively showing the application value of the machine.\u003cbr\u003e5. Classics: The product design is inspired by representative and nodal classic creations and outstanding works in the history of human industrial science and technology, which are modeled on a scale and highly restored.\u003cbr\u003e6. Craftsmanship: 160 parts and components are all exquisitely polished by professional abrasive tools, which perfectly interprets the wisdom creation and yearning of human beings in the era of big industry.\u003cbr\u003e7. Assembly: The original product requires the user to assemble the parts and components. The whole process is close to the professional assembly line process, which is an interesting and challenging experience.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCreative gift:\u003c\/strong\u003e\u003cbr\u003eIt is not only an exquisite science education learning tool, but also a great parent-child interactive educational toy, which helps to exercise in-depth practical ability, cultivate the quality of concentration, develop interests and hobbies, and stimulate innovative thinking. At the same time, it can also be used as a model collection, a great Christmas and birthday gift carefully prepared for family and children.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct parameters:\u003c\/strong\u003e\u003cbr\u003eProduct name: Tracked Trailblazer Robot\u003cbr\u003eProduct model: DM518\u003cbr\u003eMaterial: aluminum alloy + stainless steel\u003cbr\u003eColor: as shown in the picture\u003cbr\u003eColoring process: anodic oxidation\u003cbr\u003eNumber of parts: 160pcs\u003cbr\u003eFinished product size: 110*94*133mm\u003cbr\u003eFinished product weight: 652g\u003cbr\u003eExternal power supply: DC 5V\u003cbr\u003eLithium battery capacity: 500mAh\u003cbr\u003eCharging time: 2 hours\u003cbr\u003eEndurance time: no less than 30 minutes when fully charged\u003cbr\u003eBluetooth APP remote control distance: 5 meters\u003cbr\u003eBluetooth speaker: built-in SD card, which can be used to store and play songs\u003cbr\u003eLight: Eyes turn to linkage spotlight\u003cbr\u003eDifficulty of assembly: 2 stars\u003cbr\u003eAssembly time: 2 hours\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAge: 10+\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":47730083135640,"sku":null,"price":219.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/techingroboticengineassemblykit.jpg?v=1765870885"},{"product_id":"mini-app-rc-tractor-metal-romote-control-model-tractor-in-red-diy-assembly-kit-educational-toy-gifts-collection-enginediy","title":"Mini APP RC Tractor Metal Romote Control Model Tractor","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eStructural Features:\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eGear drive mechanism, screw drive steering system, front and rear wheel shock absorber mechanism and roof cover flip open structure\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eFunctions:\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e4 wheels independently suspension shock absorber, simulating real car structure. Lithium battery can be used for repeated charging. The roof can be rotated to open and close. Can be controlled by APP. The car can move forward and backward, turn left and right, turn at any Angle, and self-lock. Equipped with left and right lighting car headlights\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eMetal Contruction:\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMade of metal material, durable in use. Casted by CNC process precision \u0026amp; colored by aluminum alloy oxidation\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eMachinery:\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThe mechanical mechanism is presented, the clear transmission process is clear at a glance, and the beauty of the machine with logic and strong strength is displayed to the best of its ability\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eReal:\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDesign prototype based on the inventions and products of historical classics. It presents the core principle of machine operation, and intuitively demonstrates the application value of machine.\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eClassic:\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThe product design is inspired by classic creations and excellent works that are representative and node in the history of human industrial science and technology. It is modeled in proportion and highly restored\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eProcess:\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e400+ parts are finely polished by professional abrasive tools, which perfectly explains human's wisdom creation and yearning for the great industrial era\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eExtension:\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWhile each product has its own independent function and structure, the product can be upgraded, combined and transformed by designated kit or DIY modification parts\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eAssembly:\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThe original product requires the user to assemble the parts in a complete machine. The whole process is close to the professional assembly line process, which is an interesting and challenging experience.\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eSignificance and Value:\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThrough DIY assembly, you can develop my interests and hobbies, improve your hands-on ability and concentration ability, stimulate innovative thinking, and understand and learn the structure and operating principles of tractor. The model can not only be used as educational toys and learning AIDS in educational science, but also be used as high-end high-quality model collection. Meanwhile, it can also be a creative gift to friends and family\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAge Recommended: For Ages 12+\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e.Color: As Shown\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Material: Alumina + Stainless Steel + Engineering Plastics\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Coloring Process: Anodic Oxidation\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Parts: 423Pcs\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Assembly Difficulty: 3 Stars\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Assembly Time: 3 Hours\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Product Size: 22 x 12.5 x 10cm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Product Weight: 625g\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Package Dimensions: 28.5 x 19.5 x 8.5cm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Package Weight: 1525g\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Packing: Metal High End Gift Box\u003c\/span\u003e\u003c\/p\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":47730083561624,"sku":null,"price":219.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/TechingMiniAPPRCTractorMetalRomoteControlModelTractorinRedDIYAssemblyKitEducationalToyGiftsCollection-Enginediy-enginediy.jpg?v=1765871258"},{"product_id":"classic-car-engine-assembly-kit-mini-electric-single-cylinder-engine-metal-mechanical-model-high-level-educational-collection","title":"Classic Car Engine Assembly Kit Mini Electric Single-cylinder Engine Metal Mechanical Model High Level Educational Collection","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e.Story Origin: The concept of a classic car began in 1973, appearing in a British magazine \"Celebrity and Classic Car\". Due to the strong anthropogenic color of the word \"classic car\", it quickly gained the recognition of classic car enthusiasts and spread quickly, becoming a uniform name for vintage cars around the world.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Structural Features: Single cylinder piston type old car with single stagger fork type clutch mechanism, leaf spring suspension system, double connecting rod steering mechanism.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Functions: Four wheels independently suspension shock absorber, simulating real car structure. Lithium battery can be used for repeated charging. Can be controlled by APP. The car can move forward and backward, turn left and right, turn at any Angle, and self-lock. Equipped with left and right lighting car headlights\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Metal: Made of metal material, durable in use. Casted by CNC process precision \u0026amp; colored by aluminum alloy oxidation\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Machinery: The mechanical mechanism is presented, the clear transmission process is clear at a glance, and the beauty of the machine with logic and strong strength is displayed to the best of its ability\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Real: Design prototype based on the inventions and products of historical classics. It presents the core principle of machine operation, and intuitively demonstrates the application value of machine.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Classic: The product design is inspired by classic creations and excellent works that are representative and node in the history of human industrial science and technology. It is modeled in proportion and highly restored\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Process: 300+ parts are finely polished by professional abrasive tools, which perfectly explains human's wisdom creation and yearning for the great industrial era\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Extension: While each product has its own independent function and structure, the product can be upgraded, combined and transformed by designated kit or DIY modification parts\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Assembly: The original product requires the user to assemble the parts in a complete machine. The whole process is close to the professional assembly line process, which is an interesting and challenging experience.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Significance and Value: Through DIY assembly, I can develop my interests and hobbies, improve my hands-on ability and concentration ability, stimulate innovative thinking, and understand and learn the structure and operating principles of engines and cars. The model can not only be used as educational toys and learning AIDS in educational science, but also be used as high-end high-quality model collection. 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Inspired by classic mechanical aesthetics, this model combines intricate structure with solid metal craftsmanship to deliver an immersive and rewarding assembly experience.\u003c\/p\u003e\n\u003cp data-start=\"549\" data-end=\"870\"\u003eCrafted from \u003cstrong data-start=\"562\" data-end=\"603\"\u003ealuminum alloy, zinc alloy, and brass\u003c\/strong\u003e, each component is precisely manufactured to ensure durability and a high-quality finish. With \u003cstrong data-start=\"699\" data-end=\"728\"\u003e142 detailed metal pieces\u003c\/strong\u003e and a \u003cstrong data-start=\"735\" data-end=\"764\"\u003e4-level difficulty rating\u003c\/strong\u003e, the build offers a challenging yet enjoyable process that takes approximately \u003cstrong data-start=\"844\" data-end=\"857\"\u003e6–8 hours\u003c\/strong\u003e to complete.\u003c\/p\u003e\n\u003cp data-start=\"872\" data-end=\"1216\"\u003eThe model features a \u003cstrong data-start=\"893\" data-end=\"941\"\u003ebuilt-in 1800 mAh lithium battery (included)\u003c\/strong\u003e, supporting interactive mechanical elements once assembled. Its substantial weight and finely layered design make it an impressive \u003cstrong data-start=\"1073\" data-end=\"1090\"\u003edisplay piece\u003c\/strong\u003e for desks, shelves, or collections, as well as a thoughtful gift for those who enjoy mechanical models and hands-on projects.\u003c\/p\u003e\n\u003cp data-start=\"1218\" data-end=\"1364\"\u003ePerfect for builders aged \u003cstrong data-start=\"1244\" data-end=\"1257\"\u003e14 and up\u003c\/strong\u003e, the Mechanical Nautilus Model is more than a puzzle—it’s a fusion of engineering, art, and craftsmanship.\u003c\/p\u003e\n\u003cp data-start=\"1366\" data-end=\"1385\"\u003e\u003cstrong data-start=\"1366\" data-end=\"1385\"\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1386\" data-end=\"1659\"\u003e\n\u003cli data-start=\"1386\" data-end=\"1409\"\u003e\n\u003cp data-start=\"1388\" data-end=\"1409\"\u003eDifficulty Level: 4\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1410\" data-end=\"1435\"\u003e\n\u003cp data-start=\"1412\" data-end=\"1435\"\u003eNumber of Pieces: 142\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1436\" data-end=\"1464\"\u003e\n\u003cp data-start=\"1438\" data-end=\"1464\"\u003eAssembly Time: 6–8 Hours\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1465\" data-end=\"1503\"\u003e\n\u003cp data-start=\"1467\" data-end=\"1503\"\u003eAssembled Size: 318 × 238 × 126 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1504\" data-end=\"1530\"\u003e\n\u003cp data-start=\"1506\" data-end=\"1530\"\u003ePackage Weight: 2650 g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1531\" data-end=\"1578\"\u003e\n\u003cp data-start=\"1533\" data-end=\"1578\"\u003eMaterial: Aluminum Alloy, Zinc Alloy, Brass\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1579\" data-end=\"1636\"\u003e\n\u003cp data-start=\"1581\" data-end=\"1636\"\u003eBattery: 1800 mAh Built-in Lithium Battery (Included)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1637\" data-end=\"1659\"\u003e\n\u003cp data-start=\"1639\" data-end=\"1659\"\u003eRecommended Age: 14+\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":47880686436504,"sku":null,"price":1399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/RokrgeekMechanicalMetalNautilusModelDIY3DPuzzle.jpg?v=1766638402"},{"product_id":"v12-engine-model-kit-that-works-build-your-own-v12-engine-teching-1-4-supercar-v12-engine-model-kit-with-synchronized-throttle-sound-effects-800-pcs","title":"TECHING 1\/4 Supercar V12 Engine Model Kit with Synchronized Throttle Sound Effects 800+PCS","description":"\u003cdiv class=\"ds-scroll-area _1210dd7 c03cafe9\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ciframe width=\"414\" height=\"736\" src=\"https:\/\/www.youtube.com\/embed\/ZptgWPRxJWo\" title=\"V12 Engine Model Kit that Works - Build Your Own V12 Engine - TECHING 1\/4 Supercar V12 Engine Model\"\u003e\u003c\/iframe\u003eProduct Information：\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDiscover engineering in action with the TECHING 1\/4-Scale V12 Engine Model. This electric DIY kit, built from 800+ precision metal parts, brings a supercar heart to life. Featuring over 800 precision metal components, this electric DIY assembly set recreates a realistic supercar V12 engine with visible internal mechanics, motor-driven motion, throttle-linked RPM effects, and synchronized engine sound. Ideal for STEM education, display, or as a premium gift, it offers a hands-on way to appreciate mechanical artistry.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMore Details: \u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eProduct Parameters\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetailed Information\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eName\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eV12 Engine Model\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTECHING\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDM108\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaterial\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAluminum Alloy + Zinc Alloy + Wood\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eScale\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1\/4\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNumber of Parts\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e800+PCS\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDrive Method\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMotor\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Supply\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.7V 800mAh Lithium Battery\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCharging Cable\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDC 5V USB Cable\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCharging Time\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6 hours\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEndurance Time\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e20 minutes (Fully Charged)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAssembly Time\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026gt; 6 hours\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDifficulty\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e★★★★☆\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Weight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4950g\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePackage Weight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e7000g\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e25.5 x 19 x 21cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePackage Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e37 x 34 x 26cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePacking\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGift Box with Top and Bottom Lid\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAges\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16+\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003cstrong\u003ePacking List:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e.V12 Engine Parts *1\u003cbr\u003e.Wooden Base *1\u003cbr\u003e.Tool Kit *1\u003cbr\u003e.Instruction Manual *1\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRedefines Desktop Mechanical Aesthetics: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBuilt from over 800 precision-machined metal parts, this V12 engine model captures the essence of a supercar’s power unit in a compact desktop masterpiece. Its refined mechanical layout showcases the beauty of engineering in a visually striking form.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReal Mechanical Motion with Visible Linkage: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePowered by an internal battery and motor, the model comes to life at startup—pistons, rods, and gears move with precise coordination. The open-window housing reveals the entire power cycle in motion, letting you see mechanical energy flow in real time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEngine Sound Simulation for Immersive Fun: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTurn the throttle knob to adjust the RPM, and the model responds with synchronized engine sound effects. From idle rumble to high-rev roar, it recreates the thrilling acceleration experience of a real performance engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHands-On Engineering with a Rewarding Build: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEvery screw, link, and component is part of an engaging DIY assembly journey. More than a display piece, it offers an authentic engineering experience that builds creativity, concentration, and a deep sense of accomplishment as you bring the engine to life.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA Display-Worthy, Educational \u0026amp; Collectible Showpiece: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePerfect for your study, workshop, or office, the DM108 stands out as a premium mechanical ornament. It also serves as a valuable STEM learning tool and an impressive gift for engineers, hobbyists, and collectors who appreciate intricate mechanical craftsmanship.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"HwtZe\" lang=\"en\"\u003e\u003cspan class=\"jCAhz ChMk0b\"\u003e\u003cspan class=\"ryNqvb\"\u003eIntroduction:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIn an era where speed and mechanical aesthetics intertwine, humanity’s fascination with the “engine” stems from the precise engineering language hidden within its core. Continuing its signature design idea, TECHING proudly presents the Visualized Electric V12 Engine Model Kit (Model: DM108)—a finely crafted mechanical model that allows every enthusiast to truly see the essence of power.\u003c\/p\u003e\n\u003cp\u003eBuilt from over 800 high-precision metal components, the DM108 faithfully recreates the structure of a supercar V12 engine in a 1:4 scale desktop model: highly realistic exterior, V-shaped cylinder arrangement, fully visible internal mechanisms, motor-driven moving parts, functional intake system, throttle-linked sound effects, and a premium wooden display base. Every step of the assembly is a journey into miniature engineering—each piece you tighten brings the engine one step closer to roaring “life.”\u003c\/p\u003e\n\u003cp\u003eThe DM108 is made not only for mechanical and automotive lovers, but also for anyone passionate about creation and exploration. Whether used as a STEM educational kit or displayed as a collectible work of art, it lets you touch the beauty of engineering—offering a V12 power world that you can build with your own hands and witness with your own eyes.\u003c\/p\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":47916601213080,"sku":null,"price":1099.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/TECHING1_4SupercarV12EngineModelKitwithSynchronizedThrottleSoundEffects.jpg?v=1766718510"},{"product_id":"solar-system-orrery-3d-metal-puzzle","title":"Solar System Orrery 3D Metal Puzzle","description":"\u003cp data-start=\"167\" data-end=\"489\"\u003eExperience the beauty of celestial mechanics with the \u003cstrong data-start=\"221\" data-end=\"260\"\u003eSolar System Orrery 3D Metal Puzzle\u003c\/strong\u003e, a precision-engineered model that brings the motion of our solar system to life. Designed for science lovers, model builders, and collectors, this mechanical orrery combines educational value with elegant industrial aesthetics.\u003c\/p\u003e\n\u003cp data-start=\"491\" data-end=\"790\"\u003eCrafted from \u003cstrong data-start=\"504\" data-end=\"542\"\u003ealuminum alloy and stainless steel\u003c\/strong\u003e, the model features an \u003cstrong data-start=\"566\" data-end=\"593\"\u003eanodized surface finish\u003c\/strong\u003e for enhanced durability and a premium metallic look. Powered by an \u003cstrong data-start=\"661\" data-end=\"692\"\u003eexternal DC 5V power supply\u003c\/strong\u003e, the planets rotate smoothly, accurately demonstrating orbital motion in a visually engaging way.\u003c\/p\u003e\n\u003cp data-start=\"792\" data-end=\"1095\"\u003eWith \u003cstrong data-start=\"797\" data-end=\"817\"\u003e600+ metal parts\u003c\/strong\u003e and a \u003cstrong data-start=\"824\" data-end=\"851\"\u003e2-star difficulty level\u003c\/strong\u003e, this puzzle offers a satisfying build without being overwhelming, making it suitable for both beginners and experienced hobbyists. Once assembled, it becomes a stunning desk display, educational tool, or unique gift for astronomy enthusiasts.\u003c\/p\u003e\n\u003cp data-start=\"1097\" data-end=\"1130\"\u003e\u003cstrong data-start=\"1097\" data-end=\"1130\"\u003eKey Features \u0026amp; Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1131\" data-end=\"1350\"\u003e\n\u003cli data-start=\"1131\" data-end=\"1177\"\u003e\n\u003cp data-start=\"1133\" data-end=\"1177\"\u003eMaterial: Aluminum Alloy + Stainless Steel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1178\" data-end=\"1223\"\u003e\n\u003cp data-start=\"1180\" data-end=\"1223\"\u003eSurface Finish: Anodized Coloring Process\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1224\" data-end=\"1256\"\u003e\n\u003cp data-start=\"1226\" data-end=\"1256\"\u003ePower Supply: External DC 5V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1257\" data-end=\"1283\"\u003e\n\u003cp data-start=\"1259\" data-end=\"1283\"\u003eNumber of Pieces: 600+\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1284\" data-end=\"1311\"\u003e\n\u003cp data-start=\"1286\" data-end=\"1311\"\u003eDifficulty Level: ★★☆☆☆\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1312\" data-end=\"1350\"\u003e\n\u003cp data-start=\"1314\" data-end=\"1350\"\u003eAssembled Size: 365 × 365 × 252 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1352\" data-end=\"1532\" data-is-last-node=\"\" data-is-only-node=\"\"\u003ePerfect for home display, office decor, STEM education, or gifting, the \u003cstrong data-start=\"1424\" data-end=\"1463\"\u003eSolar System Orrery 3D Metal Puzzle\u003c\/strong\u003e transforms scientific wonder into a hands-on mechanical masterpiece.\u003c\/p\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":48029547266200,"sku":null,"price":599.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/01_239e0199-a280-4443-b006-330a341f7661.jpg?v=1768902890"},{"product_id":"lantern-fish-steampunk-model-diy-kit-colorful-changing-lamp-halloween-gift-700pcs","title":"Lantern Fish Steampunk Model DIY Kit Colorful Changing Lamp Halloween Gift (700PCS)","description":"\u003cp\u003e\u003cstrong\u003eSimulation:\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eThe anglerfish, also known as the humpback anglerfish, are famous for using the dorsal fin spine to lure prey. They live in the bathypelagic zone of the open ocean at depths of at least 2000m, where there is completely no sunlight. Our designer is a fish lover for years and desires to design an anglerfish for those who have the same interest. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eExquisite Steampunk Style Lantern Fish: \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eOur designer makes use of all nuts and bolts with all the gears, leather, and light bulb to create this fish statue, which will bring steampunk style to your space. The eyes make it more creepy and powerful after electroplating. It's made to resemble the bizarre-looking Anglerfish that dwells deep in the sea. This mechanical Anglerfish pushes the outer limits of the imagination as technology meets the beauty and might of natural ocean life. You can explore the deep blue seas in style with this Steampunk-inspired fish-shaped kit when focusing on building it.\u003c\/span\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0070\/7087\/5746\/files\/lQHPJxZuEwaKiszNAWjNAoCwUgzVvtrKOMUCtWl89YCvAA_640_360_480x480.gif?v=1655972687\" alt=\"\"\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eChallenging 3D Puzzles:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e It takes at least 3 hours of continuous work and patience, of course, to put all 1064pcs pieces together. After assembly, the size is about\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e26.5 x 8.5 x 16.5cm\u003c\/strong\u003e.\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eWhen succeed in putting it together, you'll feel fulfilled and proud of yourself. It'll be an unforgettable family time to interact with your family members, friends, and your partner, and they will be surprised by your hands-on abilities\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0070\/7087\/5746\/files\/lQHPJxZuIuNn1ZvNAWjNAoCwhZ6tce7MvM4CtYN5cMDVAA_640_360_480x480.gif?v=1655972737\" alt=\"\"\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eParent-Child Interactive Game:\u003c\/span\u003e\u003c\/strong\u003eYou can build this with your kids in your leisure time. It's not only a great chance to communicate with your kids, but it can also enhance your kid’s creativity and practice ability with fun and enjoyment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eChristmas\/Birthday\/Thanksgiving Day Gift: \u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eIt's an ideal and creative gift to surprise your friends and families as a gift for a birthday or Christmas. They will love this puzzle for its amazing details. And it's also a great \u0026amp; pretty decor to show on your table\/showcase\/shelf\/nightstand, which makes your home more beautiful.\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0070\/7087\/5746\/files\/05_39_480x480.gif?v=1655972769\" alt=\"\"\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e.Color: As Shown\u003cbr\u003e.Material: Metal\u003cbr\u003e.Product Dimensions: 26.5 x 8.5 x 16.5cm\u003cbr\u003e.Product Weight: 1080g\u003cbr\u003e.Package Dimensions: 30 x 12 x 20cm\u003cbr\u003e.Package Weight: 1200g\u003cbr\u003e.Packing: Carton Box\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePackage Content:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e.1 Set x Anglefish Model\u003c\/span\u003e\u003c\/p\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":48040550367384,"sku":null,"price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/LanternFishSteampunkModelDIYKitColorfulChangingLampHalloweenGift_700PCS_9.jpg?v=1768989869"},{"product_id":"air-engine-motor-model-educational-toy-electricity-generator-colorful-led","title":"Air Engine Motor Model Educational Toy Electricity Generator Colorful LED","description":"\u003cp\u003e\u003cstrong\u003eStirling Engine Kit Hot Air Engine Motor Model Educational Toy Electricity Generator Colorful LED\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"a-unordered-list a-vertical a-spacing-none\"\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eNOVEL DESIGNED ----- This engine is a balance style, different from the ordinary beam Stirling engine model. It was equipped with a multicolor LED install on the motor. Because of the heat from high-grade alcohol, the engine will run madly and create the electricity. The power will go through the wire and drive the multicolor LED lighting. It's really interesting and imaginative toy.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eEXTREMLY WELL-MADE---- Heating cylinder for the custom-made thick glass material, long-term heating without pressure; It is mainly constructed by metal so it can run quietly and stably (since it is HEAVY, 1.5LB) at speed around 1700 RPM! Our customers are satisfied with the fit and finish of this engine. All the parts have done surface treatment to avoid rusting. You will be pleased once put it on table.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eEASY OPERATION \u0026amp; LONG LASTING----Fill the alcohol burner with your 95% alcohol (we recommend this fuel) and light it. Let the light burn the round ended cylinder for about 60-120 seconds, then give the wheel a gently push, it will run like a charm.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eYOU GET EXTRA BONUS EXCEPT THE STIRING----Still worry about the cylinder glass broken during shipment or usage? It did come with spare glass tubes, one O-rings, check the gallery picture. You can replace it fast and easily if any broken. You can contact us for support if need. We also can make offer for your future parts requirement.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003ePRIORITY GIFT OPTION FOR MANY APPLICATIONS----It is an amazing and fantastic product at this price. Its elegant gift package makes it spruce up and presentable. It has a wide range of application as, great gift for Kids' science project, Physical\/mechanical learning, teacher’s Demo props on the class, birthday gift for friends, families, parents, kids, etc. Many of our customers come from school, colleague, etc.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eFeatures:\u003cbr\u003eStatus: Assembled\u003cbr\u003eSpeed: 1700-2000 RPM (revolutions per minute)\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003eMaterial: stainless steel, brass, bearing steel, aluminum, quartz glass\u003cbr\u003eOverall size: 165x95x120mm\/6.50x3.74x4.72in(L\/W\/H)\u003cbr\u003eSize of flywheel: 60x9mm\/2.36x0.28in(Diameter\/Thickness)\u003cbr\u003eNet Weight: 810g\/1.79lb\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003emaximun power:5w\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003emaximun voltage: 5v\u003cbr\u003e\u003cbr\u003ePacking List:\u003cbr\u003e*Engine x1\u003cbr\u003e*Lamp x1\u003cbr\u003e*LED x1\u003cbr\u003e*Spare tube x1\u003cbr\u003e\u003cbr\u003eNote:\u003cbr\u003e1.Do not touch the baked test tube and the metal connected to it, so as not to burn.\u003cbr\u003e2.Suitable for more than 8 years of age, 8 years of age need to operate under the guardianship of parents.\u003c\/span\u003e\u003c\/p\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":48040578056344,"sku":null,"price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/StirlingEngineKitHotAirEngineMotorModelEducationalToyElectricityGeneratorColorfulLED-stirlingkit_1.jpg?v=1768990397"},{"product_id":"mad-rc-diy-v8-engine-model-kit-for-capra-vs4-10-pro","title":"MAD RC DIY V8 Engine Model Kit for Capra VS4-10 Pro","description":"\u003cdiv class=\"pf-c\"\u003e\n\u003cdiv data-pf-type=\"ContentListItem\" class=\"sc-jFAmXm jWWpOP rid-13\"\u003e\n\u003cdiv class=\"sc-hzhKNl fltMam rid-8 pf-r pf-c-cm pf-r-eh\" data-pf-type=\"Row\"\u003e\n\u003cdiv class=\"pf-c\"\u003e\n\u003cdiv data-pf-type=\"Column\" class=\"sc-djTQOc gLxCly rid-7\"\u003e\n\u003ch3 data-pf-type=\"Heading\" class=\"sc-edLa-Dd kzGYaw rid-4 pf-heading-1-h3\"\u003e\n\u003cspan data-pf-type=\"Text\" class=\"sc-kuVMvl bBmUMO pf-252_\"\u003eMildred Mason:\u003c\/span\u003e\u003cspan data-pf-type=\"Text\" class=\"sc-kuVMvl bBmUMO pf-255_\"\u003eMechanical Engineer\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sc-hzhKNl fltMam rid-12 pf-r pf-r-eh\" data-pf-type=\"Row\"\u003e\n\u003cdiv class=\"pf-c\"\u003e\n\u003cdiv data-pf-type=\"Column\" class=\"sc-djTQOc gLxCly rid-11\"\u003e\n\u003cp class=\"sc-iaJahb lhtKFo rid-10 pf-text-1\" data-pf-type=\"Paragraph\"\u003e\u003cspan data-pf-type=\"Text\" class=\"sc-kuVMvl bBmUMO pf-260_\"\u003eThe MAD RC DIY V8 Engine Model Kit for Capra VS4-10 Pro is an exceptional model that demonstrates impressive engineering precision. Each component is meticulously crafted, ensuring seamless assembly. The working V8 engine not only adds a realistic touch to the Capra VS4-10 Pro but also provides an educational experience for hobbyists. This kit bridges the gap between fun and learning, making it a must-have for anyone passionate about RC models and mechanical engineering.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pf-c\"\u003e\n\u003cdiv data-pf-type=\"ContentListItem\" class=\"sc-jFAmXm jWWpOP rid-13\"\u003e\n\u003cdiv class=\"sc-hzhKNl fltMam rid-8 pf-r pf-c-cm pf-r-eh\" data-pf-type=\"Row\"\u003e\n\u003cdiv class=\"pf-c\"\u003e\n\u003cdiv data-pf-type=\"Column\" class=\"sc-djTQOc gLxCly rid-7\"\u003e\n\u003ch3 data-pf-type=\"Heading\" class=\"sc-edLa-Dd kzGYaw rid-4 pf-heading-1-h3\"\u003e\n\u003cspan data-pf-type=\"Text\" class=\"sc-kuVMvl bBmUMO pf-268_\"\u003eRandy Tyler：\u003c\/span\u003e\u003cspan data-pf-type=\"Text\" class=\"sc-kuVMvl bBmUMO pf-271_\"\u003eRC Hobbyist \u0026amp; Blogger\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sc-hzhKNl fltMam rid-12 pf-r pf-r-eh\" data-pf-type=\"Row\"\u003e\n\u003cdiv class=\"pf-c\"\u003e\n\u003cdiv data-pf-type=\"Column\" class=\"sc-djTQOc gLxCly rid-11\"\u003e\n\u003cp class=\"sc-iaJahb lhtKFo rid-10 pf-text-1\" data-pf-type=\"Paragraph\"\u003e\u003cspan data-pf-type=\"Text\" class=\"sc-kuVMvl bBmUMO pf-276_\"\u003eAs an avid RC hobbyist, the MAD RC DIY V8 Engine Model Kit exceeded my expectations. The detailed instructions made assembly straightforward, and the final product is nothing short of spectacular. The engine runs smoothly and adds an authentic feel to my Capra VS4-10 Pro. It's a fantastic addition to any RC enthusiast's collection, offering both aesthetic and functional value. I highly recommend it for its quality, ease of assembly, and the thrill of watching a working V8 engine come to life.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pf-c\"\u003e\n\u003cdiv data-pf-type=\"ContentListItem\" class=\"sc-jFAmXm jWWpOP rid-13\"\u003e\n\u003cdiv class=\"sc-hzhKNl fltMam rid-8 pf-r pf-c-cm pf-r-eh\" data-pf-type=\"Row\"\u003e\n\u003cdiv class=\"pf-c\"\u003e\n\u003cdiv data-pf-type=\"Column\" class=\"sc-djTQOc gLxCly rid-7\"\u003e\n\u003ch3 data-pf-type=\"Heading\" class=\"sc-edLa-Dd kzGYaw rid-4 pf-heading-1-h3\"\u003e\n\u003cspan data-pf-type=\"Text\" class=\"sc-kuVMvl bBmUMO pf-284_\"\u003eEdwin MCKenzie:\u003c\/span\u003e\u003cspan data-pf-type=\"Text\" class=\"sc-kuVMvl bBmUMO pf-287_\"\u003eSTEM Educator\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sc-hzhKNl fltMam rid-12 pf-r pf-r-eh\" data-pf-type=\"Row\"\u003e\n\u003cdiv class=\"pf-c\"\u003e\n\u003cdiv data-pf-type=\"Column\" class=\"sc-djTQOc gLxCly rid-11\"\u003e\n\u003cp class=\"sc-iaJahb lhtKFo rid-10 pf-text-1\" data-pf-type=\"Paragraph\"\u003e\u003cspan data-pf-type=\"Text\" class=\"sc-kuVMvl bBmUMO pf-292_\"\u003eThis V8 engine model kit is not only a fun project but also a fantastic educational tool. It provides a hands-on experience in understanding the mechanics and engineering behind a V8 engine. The detailed components and clear instructions make it an engaging and informative activity for students and hobbyists. Integrating this engine into the Capra VS4-10 Pro adds a layer of realism and functionality that is both impressive and educational. I highly recommend it for anyone interested in STEM education.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 data-pf-type=\"Heading2\" class=\"sc-bhqpXc bptxD pf-30_ pf-heading-1-h3\"\u003etechnical specifications\u003c\/h3\u003e\n\u003cdiv class=\"sc-bAwDtx jiqJaB pf-32_ pf-r pf-r-ew pf-c-ct pf-r-eh\" data-pf-type=\"ContentList\"\u003e\n\u003cdiv class=\"pf-c\"\u003e\n\u003cdiv data-pf-type=\"ContentListItem\" class=\"sc-jFAmXm jWWpOP rid-99\"\u003e\n\u003cdiv class=\"sc-hzhKNl fltMam rid-98 pf-r pf-r-eh\" data-pf-type=\"Row\"\u003e\n\u003cdiv class=\"pf-c\"\u003e\n\u003cdiv data-pf-type=\"Column\" class=\"sc-djTQOc gLxCly rid-94\"\u003e\n\u003ch3 data-pf-type=\"Heading2\" class=\"sc-bhqpXc bptxD rid-93 pf-heading-1-h3\"\u003eMaterial: \u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pf-c\"\u003e\n\u003cdiv data-pf-type=\"Column\" class=\"sc-djTQOc gLxCly rid-97\"\u003e\n\u003cp class=\"sc-iLLNPL dGtRC rid-96 pf-text-1\" data-pf-type=\"Paragraph3\"\u003ePlastic + Electronic Components\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pf-c\"\u003e\n\u003cdiv data-pf-type=\"ContentListItem\" class=\"sc-jFAmXm jWWpOP rid-99\"\u003e\n\u003cdiv class=\"sc-hzhKNl fltMam rid-98 pf-r pf-r-eh\" data-pf-type=\"Row\"\u003e\n\u003cdiv class=\"pf-c\"\u003e\n\u003cdiv data-pf-type=\"Column\" class=\"sc-djTQOc gLxCly rid-94\"\u003e\n\u003ch3 data-pf-type=\"Heading2\" class=\"sc-bhqpXc bptxD rid-93 pf-heading-1-h3\"\u003eColor: \u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pf-c\"\u003e\n\u003cdiv data-pf-type=\"Column\" class=\"sc-djTQOc gLxCly rid-97\"\u003e\n\u003cp class=\"sc-iLLNPL dGtRC rid-96 pf-text-1\" data-pf-type=\"Paragraph3\"\u003eBase Pre-color\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pf-c\"\u003e\n\u003cdiv data-pf-type=\"ContentListItem\" class=\"sc-jFAmXm jWWpOP rid-99\"\u003e\n\u003cdiv class=\"sc-hzhKNl fltMam rid-98 pf-r pf-r-eh\" data-pf-type=\"Row\"\u003e\n\u003cdiv class=\"pf-c\"\u003e\n\u003cdiv data-pf-type=\"Column\" class=\"sc-djTQOc gLxCly rid-94\"\u003e\n\u003ch3 data-pf-type=\"Heading2\" class=\"sc-bhqpXc bptxD rid-93 pf-heading-1-h3\"\u003eProduct Dimensions:\u003cbr\u003e\n\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pf-c\"\u003e\n\u003cdiv data-pf-type=\"Column\" class=\"sc-djTQOc gLxCly rid-97\"\u003e\n\u003cp class=\"sc-iLLNPL dGtRC rid-96 pf-text-1\" data-pf-type=\"Paragraph3\"\u003e6.4 x 6 x 5.5cm\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e\n\u003ch3 data-pf-type=\"Heading2\" class=\"sc-bhqpXc bptxD rid-93 pf-heading-1-h3\"\u003ePackage Dimensions: \u003c\/h3\u003e\n\u003cp class=\"sc-iLLNPL dGtRC rid-96 pf-text-1\" data-pf-type=\"Paragraph3\"\u003e15 x 15 x 7cm\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pf-c\"\u003e\n\u003cdiv data-pf-type=\"ContentListItem\" class=\"sc-jFAmXm jWWpOP rid-99\"\u003e\n\u003cdiv class=\"sc-hzhKNl fltMam rid-98 pf-r pf-r-eh\" data-pf-type=\"Row\"\u003e\n\u003cdiv class=\"pf-c\"\u003e\n\u003cdiv data-pf-type=\"Column\" class=\"sc-djTQOc gLxCly rid-94\"\u003e\n\u003ch3 data-pf-type=\"Heading2\" class=\"sc-bhqpXc bptxD rid-93 pf-heading-1-h3\"\u003eMotor External Power Supply: \u003cbr\u003e\n\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pf-c\"\u003e\n\u003cdiv data-pf-type=\"Column\" class=\"sc-djTQOc gLxCly rid-97\"\u003e\n\u003cp class=\"sc-iLLNPL dGtRC rid-96 pf-text-1\" data-pf-type=\"Paragraph3\"\u003e5-10V\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e\n\u003ch3 data-pf-type=\"Heading2\" class=\"sc-bhqpXc bptxD rid-93 pf-heading-1-h3\"\u003eMotor Operating Voltage：\u003c\/h3\u003e\n\u003cp class=\"sc-iLLNPL dGtRC rid-96 pf-text-1\" data-pf-type=\"Paragraph3\"\u003e3-7V\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pf-c\"\u003e\n\u003cdiv data-pf-type=\"ContentListItem\" class=\"sc-jFAmXm jWWpOP rid-99\"\u003e\n\u003cdiv class=\"sc-hzhKNl fltMam rid-98 pf-r pf-r-eh\" data-pf-type=\"Row\"\u003e\n\u003cdiv class=\"pf-c\"\u003e\n\u003cdiv data-pf-type=\"Column\" class=\"sc-djTQOc gLxCly rid-94\"\u003e\n\u003ch3 data-pf-type=\"Heading2\" class=\"sc-bhqpXc bptxD rid-93 pf-heading-1-h3\"\u003eProduct Form: \u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pf-c\"\u003e\n\u003cdiv data-pf-type=\"Column\" class=\"sc-djTQOc gLxCly rid-97\"\u003e\n\u003cp class=\"sc-iLLNPL dGtRC rid-96 pf-text-1\" data-pf-type=\"Paragraph3\"\u003eKIT Version\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pf-c\"\u003e\n\u003cdiv data-pf-type=\"ContentListItem\" class=\"sc-jFAmXm jWWpOP rid-99\"\u003e\n\u003cdiv class=\"sc-hzhKNl fltMam rid-98 pf-r pf-r-eh\" data-pf-type=\"Row\"\u003e\n\u003cdiv class=\"pf-c\"\u003e\n\u003cdiv data-pf-type=\"Column\" class=\"sc-djTQOc gLxCly rid-94\"\u003e\n\u003ch3 data-pf-type=\"Heading2\" class=\"sc-bhqpXc bptxD rid-93 pf-heading-1-h3\"\u003eAges: \u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pf-c\"\u003e\n\u003cdiv data-pf-type=\"Column\" class=\"sc-djTQOc gLxCly rid-97\"\u003e\n\u003cp class=\"sc-iLLNPL dGtRC rid-96 pf-text-1\" data-pf-type=\"Paragraph3\"\u003e16+\u003c\/p\u003e\n\u003ch3 data-pf-type=\"Heading2\" class=\"sc-bhqpXc bptxD pf-87_ pf-heading-1-h3\"\u003epackage inclusions\u003c\/h3\u003e\n\u003cul data-pf-type=\"List2\" class=\"sc-dISoPS kgxkyr pf-89_\"\u003e\n\u003cli data-pf-type=\"List2.Item2\" class=\"sc-eONOlN iAhVxb pf-90_ pf-text-1\"\u003e1 x Online Instructions\u003c\/li\u003e\n\u003cli data-pf-type=\"List2.Item2\" class=\"sc-eONOlN iAhVxb pf-92_ pf-text-1\"\u003e1 x V8 Engine Kit Set\u003c\/li\u003e\n\u003cli data-pf-type=\"List2.Item2\" class=\"sc-eONOlN iAhVxb pf-94_ pf-text-1\"\u003e1 x Gift box packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":48083104465048,"sku":null,"price":139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/MADRCDIYV8EngineModelKitforCapraVS4-10Pro-BuildYourOwnV8EngineThatWorks-stirlingkit.jpg?v=1769671681"},{"product_id":"planisphere-rotating-world-globes-metal-puzzle","title":"Planisphere Rotating World Globes Metal Puzzle","description":"\u003cp data-start=\"113\" data-end=\"438\"\u003eThe Planisphere Rotating World Globes Metal Puzzle is a precision-designed metal model that brings classic world globe mechanics into a hands-on building experience. With rotating components and finely cut metal parts, this puzzle offers an engaging assembly process while creating a striking decorative piece once completed.\u003c\/p\u003e\n\u003cp data-start=\"440\" data-end=\"697\"\u003eDesigned for builders aged \u003cstrong data-start=\"467\" data-end=\"486\"\u003e14 years and up\u003c\/strong\u003e, this model encourages focus, patience, and creative problem-solving. Its compact size makes it suitable for display on desks, shelves, or study spaces, adding a touch of mechanical elegance to any environment.\u003c\/p\u003e\n\u003cp data-start=\"699\" data-end=\"871\"\u003eWhether you enjoy metal puzzles, mechanical structures, or collectible models, this rotating globe puzzle provides a rewarding DIY experience and a unique finished display.\u003c\/p\u003e\n\u003cp data-start=\"873\" data-end=\"892\"\u003e\u003cstrong data-start=\"873\" data-end=\"892\"\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"893\" data-end=\"989\"\u003e\n\u003cli data-start=\"893\" data-end=\"941\"\u003e\n\u003cp data-start=\"895\" data-end=\"941\"\u003eProduct Dimensions: 8.07 × 7.48 × 0.1 inches\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"942\" data-end=\"966\"\u003e\n\u003cp data-start=\"944\" data-end=\"966\"\u003eItem Weight: 1.5 lbs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"967\" data-end=\"989\"\u003e\n\u003cp data-start=\"969\" data-end=\"989\"\u003eRecommended Age: 14+\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":48086929768600,"sku":null,"price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/ThePlanisphere-01.jpg?v=1769765115"},{"product_id":"steampunk-owl-with-goggles-diy-3d-metal-animal-model-kits-700-pcs-difficult-puzzle","title":"Steampunk Owl with Goggles DIY 3D Metal Animal Model Kits 700+PCS Difficult Puzzle","description":"\u003cp\u003e\u003cstrong\u003eDesign:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe owl is a nocturnal bird of prey named for its cat-like head. They have very sharp eyes and hearing and can easily catch prey in the dark. The feathers of owls are very soft and very quiet, which allows them to fly very silently and make it easier for them to get close to their prey. The owl is not only a mystical animal but also represents wisdom and strength.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1. Unique appearance: This product is based on the nocturnal owl. Its head is particularly realistic, its eyes are as sharp as a hook, and its sharp beak perfectly displays its characteristics. The assembled owl's body is durable and lifelike, worthy of the title \"Children of the Night.\"\u003cbr\u003e2. Full of details: The biggest feature of this product is an assembled hat with goggles and a tie on the chest, which looks like a cool suit. Colorful lights for eyes, changeable color, comes with replaceable button battery.\u003cbr\u003e3. High-quality materials: Carefully made of stainless steel and other metal materials, the comfortable and smooth assembly feel improves the feel while ensuring safety. The metal is no longer sharp and the extremely rounded corners give you a hard and gentle feel.\u003cbr\u003e4. Assembly fun: 700+ parts, the average assembly time is about 10 hours, and the weight is 600g. Screw-and-rod assembly, no glue required. The instructions provide guidance to ensure clarity, so there is no need to worry about not being able to complete it.\u003cbr\u003e5. Collectible Gift: It makes a great gift for art, engineering or metalwork lovers during the holidays, especially Halloween. It is also an ideal gift for children interested in STEM education. This is an assembled model with a unique atmosphere, suitable for use as office desk and bedroom decorations. The model is equipped with a metal stand and can be placed on any horizontal desktop.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackaging list:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAssembled parts*1\u003cbr\u003eAssembly tool kit*1\u003cbr\u003eAssembly instructions*1\u003c\/p\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":48110410498200,"sku":null,"price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/SteampunkOwlwithGogglesDIY3DMetalAnimalModelKits700_PCSDifficultPuzzle.jpg?v=1770271239"},{"product_id":"k-006-retro-all-metal-vertical-steam-engine-model","title":"K-006 Retro All-metal Vertical Steam Engine Model","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e.Treated by CNC cutting and grinding and frosting color oxidation, the engine is made of aluminum alloy and brass for fast color. The first-class processing technology makes it become an artware with both texture and aesthetics, allowing you to experience the high-end mechanical model with superior performance.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.The steam boiler is made and processed by a solid aluminum alloy rod, with a single wall thickness of 3.5mm, for safety and firmness. Works in conjunction with a double alcohol lamp to provide steam continuously for about 45 minutes when once added water. Equipped with a safety valve on top to ensure safe operation.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Suitable for mechanical model lovers, the product makes a science and education experiment instrument and a high-end model gift to others.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.HOW TO USE: Place the model on a horizontal table, unscrew the valve (water injection screw cover) on the boiler and add water. Notes that it can only be added to 2\/3 of the capacity. Add alcohol to the lamp to 2\/3 capacity, put the copper cover into the wick and place 2 alcohol lamps in the two lamp sockets under the boiler, then light the alcohol lamp to heat the boiler. After heating the water in the boiler to the boiling point, turn the flywheel by hand to start and run the machine.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Notes: Comes with aluminum alloy base, heating boiler and alcohol lamp.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Notes: Do not dry burn the machine without water. Do not touch the heated parts of the machine to avoid scalding. Children should use the machine under the supervision of adults.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e.Material: Metal\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Item No: K006\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Product Dimensions: 16 x 12 x 16m\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Product Weight: 1100g\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Package Dimensions: 20 x 20 x 20cm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Package Weight: 1500g\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Packing: Box\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Ages: 14+\u003c\/span\u003e\u003c\/p\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":48174399488152,"sku":null,"price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/RetroAll-metalVerticalSteamEngineModelwithBase_BoilerandAlcoholLamp-EngineDIY.jpg?v=1772092779"},{"product_id":"cyberpunk-plasma-ball-spider-3d-metal-model","title":"Cyberpunk Plasma Ball Spider 3D Metal Model","description":"\u003cp data-start=\"50\" data-end=\"338\"\u003eStep into a futuristic mechanical world with the \u003cstrong data-start=\"99\" data-end=\"146\"\u003eCyberpunk Plasma Ball Spider 3D Metal Model\u003c\/strong\u003e. Featuring an aggressive multi-leg design and a striking plasma core centerpiece, this model combines cyberpunk aesthetics with precision metal engineering for a bold, display-ready creation.\u003c\/p\u003e\n\u003cp data-start=\"340\" data-end=\"482\"\u003eWith 650 intricately crafted metal pieces, this build delivers a deeply immersive hands-on experience designed for advanced model enthusiasts.\u003c\/p\u003e\n\u003chr data-start=\"484\" data-end=\"487\"\u003e\n\u003ch3 data-start=\"489\" data-end=\"520\"\u003e🔧 Product Specifications\u003c\/h3\u003e\n\u003cul data-start=\"522\" data-end=\"746\"\u003e\n\u003cli data-start=\"522\" data-end=\"550\"\u003e\n\u003cp data-start=\"524\" data-end=\"550\"\u003e\u003cstrong data-start=\"524\" data-end=\"544\"\u003eRecommended Age:\u003c\/strong\u003e 18+\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"551\" data-end=\"570\"\u003e\n\u003cp data-start=\"553\" data-end=\"570\"\u003e\u003cstrong data-start=\"553\" data-end=\"564\"\u003ePieces:\u003c\/strong\u003e 650\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"571\" data-end=\"602\"\u003e\n\u003cp data-start=\"573\" data-end=\"602\"\u003e\u003cstrong data-start=\"573\" data-end=\"591\"\u003eAssembly Time:\u003c\/strong\u003e 8 hours+\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"603\" data-end=\"643\"\u003e\n\u003cp data-start=\"605\" data-end=\"643\"\u003e\u003cstrong data-start=\"605\" data-end=\"626\"\u003eDifficulty Level:\u003c\/strong\u003e ★★★★★ (Expert)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"644\" data-end=\"746\"\u003e\n\u003cp data-start=\"646\" data-end=\"667\"\u003e\u003cstrong data-start=\"646\" data-end=\"665\"\u003eAssembled Size:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"670\" data-end=\"746\"\u003e\n\u003cli data-start=\"670\" data-end=\"695\"\u003e\n\u003cp data-start=\"672\" data-end=\"695\"\u003eHeight: 3.9\" (9.9 cm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"698\" data-end=\"720\"\u003e\n\u003cp data-start=\"700\" data-end=\"720\"\u003eWidth: 12\" (30 cm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"723\" data-end=\"746\"\u003e\n\u003cp data-start=\"725\" data-end=\"746\"\u003eDepth: 9.8\" (24 cm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"748\" data-end=\"751\"\u003e\n\u003ch3 data-start=\"753\" data-end=\"780\"\u003e⚙️ Materials \u0026amp; Design\u003c\/h3\u003e\n\u003cul data-start=\"782\" data-end=\"988\"\u003e\n\u003cli data-start=\"782\" data-end=\"817\"\u003e\n\u003cp data-start=\"784\" data-end=\"817\"\u003eHigh-precision metal components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"818\" data-end=\"868\"\u003e\n\u003cp data-start=\"820\" data-end=\"868\"\u003eCyberpunk-inspired mechanical spider structure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"869\" data-end=\"927\"\u003e\n\u003cp data-start=\"871\" data-end=\"927\"\u003ePlasma ball centerpiece for a futuristic visual effect\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"928\" data-end=\"988\"\u003e\n\u003cp data-start=\"930\" data-end=\"988\"\u003eDetailed joint and body construction for layered realism\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":48176060072088,"sku":null,"price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/CyberpunkPlasmaBallSpider.jpg?v=1772104913"},{"product_id":"metal-4-stroke-wankel-rotary-engine-model-simulation-rotor-engine-model-educational-toys-gifts","title":"Metal 4-stroke Wankel Rotary Simulation Rotor Engine Model Educational Toys Gifts","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e.The authentic engine model based on the rotary engine is able to directly transform the combustion expansion force of combustible gas into driving torque.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.The Wankel engine consists of a rotor in the shape of a Leroy triangle in an oval space and three independent combustion chambers divided by three faces of the rotor in the oval space. Due to the eccentric operation of the rotor, the volume will constantly change to achieve the intake, compression, ignition, and exhaust process required by the four-stroke operation.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Designed with the highest precision to further walk through the principle of the rotor engine for impressive fun.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Build your own rotor engine model in your living room according to the detailed assembly procedure manual to show your engineering talents. Packed in a luxury\u0026amp;exquisite gift box, the model is perfect for personal use or as an incredible gift to others.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Do not play with the assembled toy violently to avoid damage to the model. Please keep it properly after use and pay attention to cleaning and maintenance for durability.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Recommended for 14+.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e.Material: Metal + ABS\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Model: Wankel Rotatory Engine Model\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Item No.: RE\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Product Dimensions: 15 x 12.5 x 15m\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Product Weight: 750g\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Package Dimensions: 20 x 18 x 8cm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Package Weight: 950g\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Packing: Box\u003c\/span\u003e\u003c\/p\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":48176135110808,"sku":null,"price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/Metal4-strokeWankelRotaryEngineModelSimulationRotorEngineModelEducationalToysGifts-EngineDIY.jpg?v=1772106789"},{"product_id":"aircraft-model-stirling-engine-model","title":"Aircraft Model Stirling Engine Model","description":"\u003cp data-start=\"43\" data-end=\"390\"\u003e\u003ciframe width=\"414\" height=\"736\" src=\"https:\/\/www.youtube.com\/embed\/l7kK6Zy8lNo\" title=\"Aircraft Model Stirling Engine Model\"\u003e\u003c\/iframe\u003eExperience the elegance of classic thermodynamic engineering with the \u003cstrong data-start=\"113\" data-end=\"153\"\u003eAircraft Model Stirling Engine Model\u003c\/strong\u003e. Crafted with precision metal components and a refined wooden base, this handcrafted DIY model demonstrates the fascinating working principle of a Stirling engine in motion—making it both an educational tool and a premium display piece.\u003c\/p\u003e\n\u003cp data-start=\"392\" data-end=\"553\"\u003eBlending mechanical beauty with aviation-inspired styling, this model is perfect for enthusiasts who appreciate physics, engineering, and hands-on craftsmanship.\u003c\/p\u003e\n\u003chr data-start=\"555\" data-end=\"558\"\u003e\n\u003ch3 data-start=\"560\" data-end=\"591\"\u003e🔧 Product Specifications\u003c\/h3\u003e\n\u003cul data-start=\"593\" data-end=\"837\"\u003e\n\u003cli data-start=\"593\" data-end=\"640\"\u003e\n\u003cp data-start=\"595\" data-end=\"640\"\u003e\u003cstrong data-start=\"595\" data-end=\"622\"\u003eDimensions (L × W × H):\u003c\/strong\u003e 23 × 15 × 16 cm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"641\" data-end=\"690\"\u003e\n\u003cp data-start=\"643\" data-end=\"690\"\u003e\u003cstrong data-start=\"643\" data-end=\"668\"\u003eEngine Body Material:\u003c\/strong\u003e 6061 Aluminum Alloy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"691\" data-end=\"727\"\u003e\n\u003cp data-start=\"693\" data-end=\"727\"\u003e\u003cstrong data-start=\"693\" data-end=\"711\"\u003eBase Material:\u003c\/strong\u003e Solid Redwood\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"728\" data-end=\"775\"\u003e\n\u003cp data-start=\"730\" data-end=\"775\"\u003e\u003cstrong data-start=\"730\" data-end=\"753\"\u003ePropeller Material:\u003c\/strong\u003e 304 Stainless Steel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"776\" data-end=\"801\"\u003e\n\u003cp data-start=\"778\" data-end=\"801\"\u003e\u003cstrong data-start=\"778\" data-end=\"793\"\u003eNet Weight:\u003c\/strong\u003e 700 g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"802\" data-end=\"837\"\u003e\n\u003cp data-start=\"804\" data-end=\"837\"\u003e\u003cstrong data-start=\"804\" data-end=\"813\"\u003eType:\u003c\/strong\u003e Handcrafted DIY Model\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"839\" data-end=\"842\"\u003e\n\u003ch3 data-start=\"844\" data-end=\"869\"\u003e⚙️ Product Features\u003c\/h3\u003e\n\u003cul data-start=\"871\" data-end=\"1148\"\u003e\n\u003cli data-start=\"871\" data-end=\"918\"\u003e\n\u003cp data-start=\"873\" data-end=\"918\"\u003ePrecision-machined 6061 aluminum alloy body\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"919\" data-end=\"960\"\u003e\n\u003cp data-start=\"921\" data-end=\"960\"\u003eDurable 304 stainless steel propeller\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"961\" data-end=\"1010\"\u003e\n\u003cp data-start=\"963\" data-end=\"1010\"\u003eElegant solid redwood base for stable display\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1011\" data-end=\"1067\"\u003e\n\u003cp data-start=\"1013\" data-end=\"1067\"\u003eDemonstrates real Stirling engine working principles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1068\" data-end=\"1148\"\u003e\n\u003cp data-start=\"1070\" data-end=\"1148\"\u003eSuitable for science enthusiasts, collectors, and educational demonstrations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1150\" data-end=\"1153\"\u003e\n\u003ch3 data-start=\"1155\" data-end=\"1179\"\u003e⚠️ Important Notes\u003c\/h3\u003e\n\u003cul data-start=\"1181\" data-end=\"1424\"\u003e\n\u003cli data-start=\"1181\" data-end=\"1266\"\u003e\n\u003cp data-start=\"1183\" data-end=\"1266\"\u003eThe model may become hot after operation. \u003cstrong data-start=\"1225\" data-end=\"1264\"\u003eDo not touch immediately after use.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1267\" data-end=\"1345\"\u003e\n\u003cp data-start=\"1269\" data-end=\"1345\"\u003eDo not add any lubricating oil to the cylinder, piston, or connecting rod.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1346\" data-end=\"1424\"\u003e\n\u003cp data-start=\"1348\" data-end=\"1424\"\u003eIf dust accumulates, gently wipe with tissue paper or a soft cotton cloth.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"surplusfun","offers":[{"title":"Quartz (Hot sales)","offer_id":48758407692440,"sku":null,"price":319.99,"currency_code":"USD","in_stock":true},{"title":"Metal","offer_id":48753816535192,"sku":null,"price":329.99,"currency_code":"USD","in_stock":true},{"title":"Enhanced version (dual gas tank)","offer_id":48753816567960,"sku":null,"price":339.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/WechatIMG1757.jpg?v=1772107541"},{"product_id":"musa-hoglet-v-twin-4-stroke-kick-start-gasoline-motorcycle-engine-model","title":"Hoglet V-Twin 4-Stroke Kick-Start Gasoline Motorcycle Engine Model","description":"\u003cp\u003e\u003cstrong\u003e\u003ciframe width=\"414\" height=\"736\" src=\"https:\/\/www.youtube.com\/embed\/7_ioCvh3LE4\" title=\"Hoglet V-Twin 4-Stroke Kick-Start Gasoline Motorcycle Engine Model\"\u003e\u003c\/iframe\u003eMUSA Hoglet V-Twin 4-Stroke Kick Start Gasoline Motorcycle Engine Model (RTR\/Upgrade Large Version)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis engine is an enhanced version of Randall Cox's Hoglet twin - cylinder engine, featuring multiple detail optimizations and unique designs. It has an eye - catching appearance similar to a Harley - Davidson V2 engine while preserving the original designer's vision and style.\u003c\/p\u003e\n\u003cp\u003eCompared to the previous generation, it has a 30% larger size and a 50% increase in displacement (from 2.2cc to 3.3cc per cylinder). It adopts a larger flywheel and a new - style belt idler, retains the adjustable ignition advance function, uses hardened steel gears, and upgrades to a realistic exhaust pipe. Tuned for low - idle operation, it delivers a pleasing exhaust note.\u003c\/p\u003e\n\u003cp\u003eThis engine model offers an immersive and realistic experience with the following features:\u003c\/p\u003e\n\u003cp\u003e1. Simulated kick - starter\u003cbr\u003e2. Simulated synchronous belt rotation\u003cbr\u003e3. High - fidelity exhaust pipe\u003cbr\u003e4. External ignition advance adjustment handle\u003cbr\u003e5. Special combined fuel tank\u003cbr\u003e6. Thirteen precision bearings and self - lubricating copper bushings\u003cbr\u003e7. CNC precision - machined components\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Information:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eExperience the classic engineering with the MUSA Hoglet V-Twin Engine Model – an upgraded, large-size 4-stroke gasoline internal combustion engine that faithfully replicates the iconic V-type twin-cylinder motorcycle engine. Designed for collectors, hobbyists, and enthusiasts, this highly detailed functional model features realistic kick-start simulation, CNC-machined metal parts, dual-cylinder 3.3cc performance, and immersive operating details. With increased size and power over the previous generation, it’s ready-to-run (RTR) straight out of the box and perfect for mechanical education, display, or hands-on tinkering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRetro Classic, Meticulous Craftsmanship:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePaying tribute to legendary motorcycle engine designs, the Hoglet V2 engine model captures the visual appeal and realistic design of the iconic V2 motorcycle engine. Enhanced with optimized details, its vintage appearance revives the mechanical aesthetics of 20th-century motorcycle engines. More than just a functional model, it's a collectible work of art.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHardcore Upgrade, Exceptional Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCompared to its predecessor, the engine's size is increased by 30% and displacement by 50% (single-cylinder 3.3cc). It features hardened steel gears, a heavyweight flywheel, and a new belt tensioner. With adjustable ignition timing and fine-tuned low idle, it delivers a powerful exhaust note. Precision-crafted with CNC-machined metal and equipped with 13 bearings and self-lubricating copper sleeves, this model offers superior durability and realistic operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImmersive Experience, True-to-Life Replication:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned with seven core functional components—such as a simulated kick starter, timing belt drive, and realistic exhaust system—the model authentically replicates real engine operation. With an external ignition timing adjustment handle and a distinctive fuel tank design, it invites enthusiasts to engage hands-on and experience the precision and charm of mechanical motion.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompact and Versatile for Multiple Scenarios:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThough larger than the previous version, the model retains a compact, eye-catching design. Easy to carry and display, it’s perfect for mechanical demonstrations at workshops, educational tools in classrooms, or as a striking display piece at home. Let the beauty of engineering shine through in any setting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerfect Gift and Collector’s Choice:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eReady to run straight out of the box, this model is designed for engine enthusiasts, motorcycle fans, and mechanical hobbyists. Combining hands-on tuning, interactive operation, and vintage aesthetics, it makes a standout gift for special occasions and a valuable addition to any collection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMore Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e.Material: Metal + Wood\u003cbr\u003e.Brand: MUSA\u003cbr\u003e.Model: Hoglet (Upgrade Large Version)\u003cbr\u003e.Configuration: Ready to Run (RTR)\u003cbr\u003e.Engine Type: Gasoline internal combustion engine\u003cbr\u003e.Valve mechanism: OHV\u003cbr\u003e.Displacement: 6.6 cc (3.3 cc x 2)\u003cbr\u003e.Cylinder: V-twin cylinder\u003cbr\u003e.Stroke: Four-stroke\u003cbr\u003e.Cylinder Diameter: 15.0 mm\u003cbr\u003e.Stroke: 18.0 mm\u003cbr\u003e.Speed: 1000-8000 rpm\u003cbr\u003e.Power: about 0.6 ps\u003cbr\u003e.Cooling Method: Air cooling\u003cbr\u003e.Lubrication Method: Mixed oil lubrication\u003cbr\u003e.Starting Method: Manual\/electric drill start (6 mm round steel rod)\u003cbr\u003e.Ignition Method: CDI induction ignition\u003cbr\u003e.Spark Plug: British thread 3\/16-40 ME-8 spark plug\u003cbr\u003e.Starting Power: 6-7.4V (it is recommended to use 2 18650 Battery)\u003cbr\u003e.Fuel: Gasoline or kerosene (92# or higher recommended)\u003cbr\u003e.Oil: 2T oil (10W50 2T oil recommended)\u003cbr\u003e.Product Weight: 1260g\u003cbr\u003e.Package Weight: 1400g\u003cbr\u003e.Product Dimensions: 15 x 12 x 16.5cm\u003cbr\u003e.Package Dimensions: 18 x 18 x 18cm\u003cbr\u003e.Packing: Carton\u003cbr\u003e.Ages: 16+\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePacking List:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e.Engine *1\u003cbr\u003e.Starter Round Steel Rod *1\u003cbr\u003e.Spare O-Ring and Oil Pipe *1set\u003cbr\u003e.Instruction Manual *1\u003c\/p\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":48176176464024,"sku":null,"price":469.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/musahogletv-twin4-strokekick-startgasolinemotorcycleenginemodel_1.jpg?v=1772108148"},{"product_id":"retrol-musa-1-8-2-2cc-mini-evaporative-water-cooled-single-cylinder-four-stroke-gasoline-engine-internal-combustion-engine-model-speed-up-to-12000rpm","title":"1\/8 2.2cc Mini Evaporative Water-cooled Single-cylinder Four-stroke Gasoline Internal Combustion Engine Model","description":"\u003cp data-start=\"48\" data-end=\"298\"\u003eExperience the power and elegance of classic engine design—now in a compact, fully functional model. This diesel-inspired gasoline engine combines authentic structure with impressive performance, delivering both visual appeal and hands-on excitement.\u003c\/p\u003e\n\u003ch4 data-start=\"300\" data-end=\"337\"\u003eRealistic Diesel-Inspired Design\u003c\/h4\u003e\n\u003cp data-start=\"338\" data-end=\"585\"\u003eBuilt with a high level of simulation, this engine mirrors the look and structure of a traditional diesel engine while running on gasoline. From its mechanical layout to its classic body lines, every detail reflects true engineering craftsmanship.\u003c\/p\u003e\n\u003ch4 data-start=\"587\" data-end=\"614\"\u003eHigh-Speed Performance\u003c\/h4\u003e\n\u003cp data-start=\"615\" data-end=\"671\"\u003eDon’t let the size fool you—this engine is a powerhouse:\u003c\/p\u003e\n\u003cul data-start=\"672\" data-end=\"835\"\u003e\n\u003cli data-section-id=\"fkelhx\" data-start=\"672\" data-end=\"717\"\u003eSpeeds ranging from \u003cstrong data-start=\"694\" data-end=\"715\"\u003e2000 to 12000 rpm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"smlpvp\" data-start=\"718\" data-end=\"780\"\u003eEquipped with an adjustable carburetor for precise control\u003c\/li\u003e\n\u003cli data-section-id=\"1ali642\" data-start=\"781\" data-end=\"835\"\u003eDelivers a dynamic and engaging running experience\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"837\" data-end=\"906\"\u003eOnce started, it becomes a compact “mechanical beast” full of energy.\u003c\/p\u003e\n\u003ch4 data-start=\"908\" data-end=\"937\"\u003eEfficient Cooling System\u003c\/h4\u003e\n\u003cp data-start=\"938\" data-end=\"1011\"\u003eFeaturing an \u003cstrong data-start=\"951\" data-end=\"990\"\u003eevaporative water-cooling structure\u003c\/strong\u003e, the engine ensures:\u003c\/p\u003e\n\u003cul data-start=\"1012\" data-end=\"1117\"\u003e\n\u003cli data-section-id=\"9y9jis\" data-start=\"1012\" data-end=\"1042\"\u003eEffective heat dissipation\u003c\/li\u003e\n\u003cli data-section-id=\"1lviz09\" data-start=\"1043\" data-end=\"1073\"\u003eStable long-term operation\u003c\/li\u003e\n\u003cli data-section-id=\"vy6nhc\" data-start=\"1074\" data-end=\"1117\"\u003eEnhanced durability during extended use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"1119\" data-end=\"1157\"\u003ePremium Materials \u0026amp; Craftsmanship\u003c\/h4\u003e\n\u003cp data-start=\"1158\" data-end=\"1266\"\u003eConstructed from aluminum alloy and brass, each component is carefully machined for quality and performance:\u003c\/p\u003e\n\u003cul data-start=\"1267\" data-end=\"1389\"\u003e\n\u003cli data-section-id=\"1couvf3\" data-start=\"1267\" data-end=\"1297\"\u003ePrecision-engineered parts\u003c\/li\u003e\n\u003cli data-section-id=\"1a8kgmq\" data-start=\"1298\" data-end=\"1334\"\u003eStrong, wear-resistant materials\u003c\/li\u003e\n\u003cli data-section-id=\"10q8jrk\" data-start=\"1335\" data-end=\"1389\"\u003eSmooth mechanical operation with refined detailing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"1391\" data-end=\"1414\"\u003eReady to Run Setup\u003c\/h4\u003e\n\u003cp data-start=\"1415\" data-end=\"1502\"\u003eThis model comes pre-equipped with essential components, making it easy to get started:\u003c\/p\u003e\n\u003cul data-start=\"1503\" data-end=\"1632\"\u003e\n\u003cli data-section-id=\"bbes2l\" data-start=\"1503\" data-end=\"1542\"\u003eIncludes spark plug and CDI igniter\u003c\/li\u003e\n\u003cli data-section-id=\"1nm49rx\" data-start=\"1543\" data-end=\"1585\"\u003eSimply add batteries and fuel to begin\u003c\/li\u003e\n\u003cli data-section-id=\"ur8qz3\" data-start=\"1586\" data-end=\"1632\"\u003eSupports manual or electric drill starting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1634\" data-end=\"1707\"\u003eMounted on a wooden base, it offers both stability and a stylish display.\u003c\/p\u003e\n\u003ch4 data-start=\"1709\" data-end=\"1743\"\u003eA Unique Gift \u0026amp; Display Piece\u003c\/h4\u003e\n\u003cp data-start=\"1744\" data-end=\"1756\"\u003ePerfect for:\u003c\/p\u003e\n\u003cul data-start=\"1757\" data-end=\"1831\"\u003e\n\u003cli data-section-id=\"1h7n3e6\" data-start=\"1757\" data-end=\"1783\"\u003eMechanical enthusiasts\u003c\/li\u003e\n\u003cli data-section-id=\"1vow5x3\" data-start=\"1784\" data-end=\"1804\"\u003eModel collectors\u003c\/li\u003e\n\u003cli data-section-id=\"1nbpdo1\" data-start=\"1805\" data-end=\"1831\"\u003eDesktop display lovers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1833\" data-end=\"1972\"\u003eWhether for personal enjoyment or as a distinctive gift, this engine model stands out with its blend of performance and vintage aesthetics.\u003c\/p\u003e\n\u003chr data-start=\"1974\" data-end=\"1977\"\u003e\n\u003ch3 data-section-id=\"1yl5694\" data-start=\"1979\" data-end=\"1997\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul data-start=\"1998\" data-end=\"2593\"\u003e\n\u003cli data-section-id=\"za1mrm\" data-start=\"1998\" data-end=\"2045\"\u003e\n\u003cstrong data-start=\"2000\" data-end=\"2013\"\u003eMaterial:\u003c\/strong\u003e Aluminum Alloy \/ Brass + Wood\u003c\/li\u003e\n\u003cli data-section-id=\"13keanx\" data-start=\"2046\" data-end=\"2072\"\u003e\n\u003cstrong data-start=\"2048\" data-end=\"2057\"\u003eForm:\u003c\/strong\u003e Ready to Run\u003c\/li\u003e\n\u003cli data-section-id=\"xuuwy3\" data-start=\"2073\" data-end=\"2100\"\u003e\n\u003cstrong data-start=\"2075\" data-end=\"2092\"\u003eDisplacement:\u003c\/strong\u003e 2.2cc\u003c\/li\u003e\n\u003cli data-section-id=\"h8isjo\" data-start=\"2101\" data-end=\"2135\"\u003e\n\u003cstrong data-start=\"2103\" data-end=\"2125\"\u003eCylinder Diameter:\u003c\/strong\u003e 14.8 mm\u003c\/li\u003e\n\u003cli data-section-id=\"l77bbn\" data-start=\"2136\" data-end=\"2159\"\u003e\n\u003cstrong data-start=\"2138\" data-end=\"2149\"\u003eStroke:\u003c\/strong\u003e 12.8 mm\u003c\/li\u003e\n\u003cli data-section-id=\"1fsb3bs\" data-start=\"2160\" data-end=\"2189\"\u003e\n\u003cstrong data-start=\"2162\" data-end=\"2172\"\u003eSpeed:\u003c\/strong\u003e 2000–12000 rpm\u003c\/li\u003e\n\u003cli data-section-id=\"1ujyr04\" data-start=\"2190\" data-end=\"2237\"\u003e\n\u003cstrong data-start=\"2192\" data-end=\"2209\"\u003eCooling Mode:\u003c\/strong\u003e Evaporative Water Cooling\u003c\/li\u003e\n\u003cli data-section-id=\"b2452c\" data-start=\"2238\" data-end=\"2286\"\u003e\n\u003cstrong data-start=\"2240\" data-end=\"2260\"\u003eStarting Method:\u003c\/strong\u003e Manual \/ Electric Drill\u003c\/li\u003e\n\u003cli data-section-id=\"1qw3v8q\" data-start=\"2287\" data-end=\"2330\"\u003e\n\u003cstrong data-start=\"2289\" data-end=\"2309\"\u003eIgnition Method:\u003c\/strong\u003e CDI Electric Pulse\u003c\/li\u003e\n\u003cli data-section-id=\"auid4\" data-start=\"2331\" data-end=\"2372\"\u003e\n\u003cstrong data-start=\"2333\" data-end=\"2347\"\u003eFuel Type:\u003c\/strong\u003e 92# and above gasoline\u003c\/li\u003e\n\u003cli data-section-id=\"1rtd8ke\" data-start=\"2373\" data-end=\"2428\"\u003e\n\u003cstrong data-start=\"2375\" data-end=\"2391\"\u003eLubrication:\u003c\/strong\u003e Mix\/Splash (Gasoline : Oil = 25:1)\u003c\/li\u003e\n\u003cli data-section-id=\"g6e8xg\" data-start=\"2429\" data-end=\"2462\"\u003e\n\u003cstrong data-start=\"2431\" data-end=\"2446\"\u003eEngine Oil:\u003c\/strong\u003e 2T Engine Oil\u003c\/li\u003e\n\u003cli data-section-id=\"1a95gz9\" data-start=\"2463\" data-end=\"2527\"\u003e\n\u003cstrong data-start=\"2465\" data-end=\"2482\"\u003ePower Supply:\u003c\/strong\u003e 3× AA or 14500 Li batteries (not included)\u003c\/li\u003e\n\u003cli data-section-id=\"7rio0g\" data-start=\"2528\" data-end=\"2571\"\u003e\n\u003cstrong data-start=\"2530\" data-end=\"2553\"\u003eProduct Dimensions:\u003c\/strong\u003e 15 × 12 × 12 cm\u003c\/li\u003e\n\u003cli data-section-id=\"13zerdu\" data-start=\"2572\" data-end=\"2593\"\u003e\n\u003cstrong data-start=\"2574\" data-end=\"2585\"\u003eWeight:\u003c\/strong\u003e 520 g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2595\" data-end=\"2598\"\u003e\n\u003ch3 data-section-id=\"5t7ttf\" data-start=\"2600\" data-end=\"2620\"\u003ePackage Includes\u003c\/h3\u003e\n\u003cul data-start=\"2621\" data-end=\"2688\"\u003e\n\u003cli data-section-id=\"1q7xwv4\" data-start=\"2621\" data-end=\"2634\"\u003eEngine ×1\u003c\/li\u003e\n\u003cli data-section-id=\"1dgi2yz\" data-start=\"2635\" data-end=\"2669\"\u003eElectric Drill Starting Rod ×1\u003c\/li\u003e\n\u003cli data-section-id=\"1lciskl\" data-start=\"2670\" data-end=\"2688\"\u003eUser Manual ×1\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"surplusfun","offers":[{"title":"Aluminum Version\/Red\u0026Gray","offer_id":48176186065048,"sku":null,"price":459.99,"currency_code":"USD","in_stock":true},{"title":"Brass Version\/Yellow(Updated)","offer_id":48176186097816,"sku":null,"price":499.99,"currency_code":"USD","in_stock":true},{"title":"Electric power generation","offer_id":48764043198616,"sku":null,"price":559.99,"currency_code":"USD","in_stock":true},{"title":"Water pump","offer_id":48764043231384,"sku":null,"price":579.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/RETROLMUSA1_82.2ccMiniSingle-cylinderFour-strokeEvaporativeWater-coolingGasolineEngineInternalCombustionEngineModel_6.jpg?v=1772108333"},{"product_id":"mechanical-dragon-3d-metal-crafts-diy-assembly-model-kit-art-device-2030-pcs","title":"Mechanical Dragon 3D Metal Crafts DIY Assembly Model Kit Art Device-2030+PCS","description":"\u003cp\u003e\u003cstrong\u003eFeatures：\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy We Designed This Dragon Model Kit?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eDesign Concept:\u003c\/strong\u003e\u003cspan\u003e to the classic totem - the image of the dragon reconstructed now, the ancient beast shape and cyberpunk style combined, using the snake body, antlers, crocodile head, eagle claws, catfish whiskers and other multi-element fusion design, but also taking into account the dragon soaring cloud posture and environment, from many frontal auspicious cloud pattern selected and added to the design.\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eScience and Technology Tide Play:\u003c\/strong\u003e\u003cspan\u003e this has a cyberpunk fairy style mechanical Ao Rui Long model, length of about 50cm, give enough shocking visual experience and impressed, a perfect interpretation of the cultural and technological integration of artistic expression, it is both a metal assembly model, but also rich in the future of science and technology tide play collectibles.\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eHandmade:\u003c\/strong\u003e\u003cspan\u003e 2000+ pieces of precision fine metal parts, with detailed assembly instructions and kits, assembly time of about 20 hours, which will be a challenging project with exciting, into the world of micro mechanical metal diy assembly, help exercise hands-on skills.\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eWell-made:\u003c\/strong\u003e\u003cspan\u003e stainless steel and alloy materials refined, the parts surface is delicate and smooth, comfortable and smooth assembly feel, workmanship more exquisite, the finished work can be kept for a long time, as a tide play model collection, or home desktop decorative ornaments.\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eCreative Gift:\u003c\/strong\u003e\u003cspan\u003e it will be very creative holiday gift, to create a surprise for others, suitable for the vast majority of metal mechanical diy enthusiasts crowd, but also suitable for parent-child interaction, together to enjoy the wonderful leisure time.\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eAge Recomendation: 12+\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e.Material: Stainless steel + Alloy\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Product Dimensions: 50 x 10 x 18 cm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Product Weight: 2100 g\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Package Dimensions: 25 x 11.5 x 12 cm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Package Weight: 2500 g\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Packing: Graphic Carton\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Color: As Shown In The Picture\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Assembly time: about 20 hours.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e.Packaging: Color gift box\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePacking List:\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e1 x Dragon Model Kit\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e1 Set Tool\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e1 x Instructions\u003c\/span\u003e\u003c\/p\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":48198470434968,"sku":null,"price":329.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/3D_Metal_Cyberpunk_Mechanical_Dragon_Crafts_DIY_Assembly_Model_Kit_Art_Device_for_Kids_Teens_and_Adults-2030_PCS_7.jpg?v=1772532376"},{"product_id":"jczk-300c-pro-12ch-super-simulation-smart-rc-helicopter-rtf-with-gps-one-key-return-hover-h1-pro-flight-control-flybarless","title":"JCZK 300C PRO 12CH Super Simulation Smart RC Helicopter RTF With GPS One-key Return Hover H1 Pro Flight Control Flybarless","description":"\u003cp data-start=\"137\" data-end=\"457\"\u003eThe \u003cstrong data-start=\"141\" data-end=\"158\"\u003eJCZK 300C PRO\u003c\/strong\u003e is a high-performance, super-simulation RC helicopter designed for experienced hobbyists who demand realism, advanced control, and refined flight performance. Equipped with GPS positioning, one-key return, and H1 Pro flybarless flight control, it delivers a stable and responsive flying experience.\u003c\/p\u003e\n\u003chr data-start=\"459\" data-end=\"462\"\u003e\n\u003ch2 data-start=\"464\" data-end=\"481\"\u003e✨ Key Features\u003c\/h2\u003e\n\u003ch3 data-start=\"483\" data-end=\"524\"\u003e🛰 GPS Positioning + One-Key Return\u003c\/h3\u003e\n\u003cp data-start=\"525\" data-end=\"684\"\u003eIntegrated GPS supports intelligent positioning and one-key return functionality, helping maintain controlled flight and simplifying recovery during operation.\u003c\/p\u003e\n\u003ch3 data-start=\"686\" data-end=\"726\"\u003e⚙ H1 Pro Flybarless Flight Control\u003c\/h3\u003e\n\u003cp data-start=\"727\" data-end=\"832\"\u003eAdvanced flybarless stabilization system enhances flight precision, responsiveness, and smoother control.\u003c\/p\u003e\n\u003ch3 data-start=\"834\" data-end=\"874\"\u003e🎮 12-Channel Radio Control System\u003c\/h3\u003e\n\u003cul data-start=\"875\" data-end=\"1023\"\u003e\n\u003cli data-start=\"875\" data-end=\"1023\"\u003e\n\u003cp data-start=\"877\" data-end=\"1023\"\u003e\u003cstrong data-start=\"877\" data-end=\"896\"\u003eRemote Control:\u003c\/strong\u003e RadioLink AT9S PRO 2.4GHz (12 Channels)\u003cbr data-start=\"936\" data-end=\"939\"\u003eProvides precise multi-channel operation for advanced maneuvering and customization.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1025\" data-end=\"1059\"\u003e🔋 Powerful Brushless System\u003c\/h3\u003e\n\u003cul data-start=\"1060\" data-end=\"1210\"\u003e\n\u003cli data-start=\"1060\" data-end=\"1090\"\u003e\n\u003cp data-start=\"1062\" data-end=\"1090\"\u003e\u003cstrong data-start=\"1062\" data-end=\"1070\"\u003eESC:\u003c\/strong\u003e 60A Brushless ESC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1091\" data-end=\"1210\"\u003e\n\u003cp data-start=\"1093\" data-end=\"1210\"\u003e\u003cstrong data-start=\"1093\" data-end=\"1113\"\u003eTail Lock Motor:\u003c\/strong\u003e 1204 5200KV Brushless Motor\u003cbr data-start=\"1141\" data-end=\"1144\"\u003eDelivers efficient power transmission and stable tail performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1212\" data-end=\"1215\"\u003e\n\u003ch2 data-start=\"1217\" data-end=\"1247\"\u003e🛠 Technical Specifications\u003c\/h2\u003e\n\u003cul data-start=\"1249\" data-end=\"1703\"\u003e\n\u003cli data-start=\"1249\" data-end=\"1282\"\u003e\n\u003cp data-start=\"1251\" data-end=\"1282\"\u003e\u003cstrong data-start=\"1251\" data-end=\"1266\"\u003eModel Name:\u003c\/strong\u003e JCZK 300C PRO\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1283\" data-end=\"1381\"\u003e\n\u003cp data-start=\"1285\" data-end=\"1381\"\u003e\u003cstrong data-start=\"1285\" data-end=\"1299\"\u003eMaterials:\u003c\/strong\u003e Alloy + Carbon Fiber + Electronic Components + Environmentally Friendly Plastic\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1382\" data-end=\"1497\"\u003e\n\u003cp data-start=\"1384\" data-end=\"1409\"\u003e\u003cstrong data-start=\"1384\" data-end=\"1407\"\u003eTransmission Gears:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1412\" data-end=\"1497\"\u003e\n\u003cli data-start=\"1412\" data-end=\"1437\"\u003e\n\u003cp data-start=\"1414\" data-end=\"1437\"\u003eMain Drive Gear: 151T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1440\" data-end=\"1464\"\u003e\n\u003cp data-start=\"1442\" data-end=\"1464\"\u003eTail Drive Gear: 56T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1467\" data-end=\"1497\"\u003e\n\u003cp data-start=\"1469\" data-end=\"1497\"\u003eTail Rotor Drive Gear: 15T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1498\" data-end=\"1527\"\u003e\n\u003cp data-start=\"1500\" data-end=\"1527\"\u003e\u003cstrong data-start=\"1500\" data-end=\"1515\"\u003eGear Ratio:\u003c\/strong\u003e 11:1:3.72\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1528\" data-end=\"1577\"\u003e\n\u003cp data-start=\"1530\" data-end=\"1577\"\u003e\u003cstrong data-start=\"1530\" data-end=\"1540\"\u003eServo:\u003c\/strong\u003e Swashplate Servo ×3, Tail Servo ×1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1578\" data-end=\"1618\"\u003e\n\u003cp data-start=\"1580\" data-end=\"1618\"\u003e\u003cstrong data-start=\"1580\" data-end=\"1592\"\u003eBattery:\u003c\/strong\u003e YPG 40000mAh 4S Battery\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1619\" data-end=\"1655\"\u003e\n\u003cp data-start=\"1621\" data-end=\"1655\"\u003e\u003cstrong data-start=\"1621\" data-end=\"1634\"\u003eUse Time:\u003c\/strong\u003e Approx. 12 minutes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1656\" data-end=\"1674\"\u003e\n\u003cp data-start=\"1658\" data-end=\"1674\"\u003e\u003cstrong data-start=\"1658\" data-end=\"1668\"\u003eColor:\u003c\/strong\u003e Red\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1675\" data-end=\"1703\"\u003e\n\u003cp data-start=\"1677\" data-end=\"1703\"\u003e\u003cstrong data-start=\"1677\" data-end=\"1697\"\u003eRecommended Age:\u003c\/strong\u003e 16+\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1705\" data-end=\"1708\"\u003e\n\u003ch2 data-start=\"1710\" data-end=\"1726\"\u003e📏 Dimensions\u003c\/h2\u003e\n\u003cul data-start=\"1728\" data-end=\"1836\"\u003e\n\u003cli data-start=\"1728\" data-end=\"1765\"\u003e\n\u003cp data-start=\"1730\" data-end=\"1765\"\u003e\u003cstrong data-start=\"1730\" data-end=\"1747\"\u003eProduct Size:\u003c\/strong\u003e 70 × 82 × 23 cm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1766\" data-end=\"1807\"\u003e\n\u003cp data-start=\"1768\" data-end=\"1807\"\u003e\u003cstrong data-start=\"1768\" data-end=\"1785\"\u003ePackage Size:\u003c\/strong\u003e 75 × 34.5 × 25.5 cm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1808\" data-end=\"1836\"\u003e\n\u003cp data-start=\"1810\" data-end=\"1836\"\u003e\u003cstrong data-start=\"1810\" data-end=\"1828\"\u003ePacked Weight:\u003c\/strong\u003e 2000g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1838\" data-end=\"1841\"\u003e\n\u003ch2 data-start=\"1843\" data-end=\"1884\"\u003e🚁 Designed for Serious RC Enthusiasts\u003c\/h2\u003e\n\u003cp data-start=\"1886\" data-end=\"2120\"\u003eBuilt with alloy and carbon fiber components, the JCZK 300C PRO balances strength and lightweight performance. The detailed simulation design enhances realism, while the electronic system supports stable and responsive flight control.\u003c\/p\u003e\n\u003cp data-start=\"2122\" data-end=\"2254\"\u003eThis Ready-To-Fly (RTF) helicopter is ideal for experienced RC hobbyists seeking advanced features and immersive flight performance.\u003c\/p\u003e","brand":"surplusfun","offers":[{"title":"red","offer_id":48199030833304,"sku":null,"price":1799.99,"currency_code":"USD","in_stock":true},{"title":"silver","offer_id":48199030866072,"sku":null,"price":1799.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/JCZK300CPRO12CHSuperSimulationSmartRCHelicopterRTFWithGPSOne-keyReturnHoverH1FlightControlFlybarless-stirlingkit_1.jpg?v=1772543646"},{"product_id":"polaris-mechanical-chiming-metal-clock","title":"Polaris Mechanical Chiming Metal Clock","description":"\u003cp data-start=\"43\" data-end=\"327\"\u003eThe \u003cstrong data-start=\"47\" data-end=\"89\"\u003ePolaris Mechanical Chiming Metal Clock\u003c\/strong\u003e combines classic mechanical craftsmanship with elegant decorative design. Inspired by the timeless symbolism of the North Star, this clock is both a functional timepiece and a striking display piece for your desk, shelf, or living space.\u003c\/p\u003e\n\u003cp data-start=\"329\" data-end=\"659\"\u003eCrafted with a \u003cstrong data-start=\"344\" data-end=\"379\"\u003emetal structure and stable base\u003c\/strong\u003e, the clock features a traditional \u003cstrong data-start=\"414\" data-end=\"457\"\u003emechanical movement with hourly chiming\u003c\/strong\u003e, bringing a charming vintage atmosphere to your room. Every hour, the clock gently chimes to mark the passage of time, creating a calm and nostalgic experience reminiscent of classic mechanical clocks.\u003c\/p\u003e\n\u003cp data-start=\"661\" data-end=\"979\"\u003eWith a \u003cstrong data-start=\"668\" data-end=\"692\"\u003e15-day power reserve\u003c\/strong\u003e, the clock can run for up to two weeks after a full wind, offering both convenience and the satisfying ritual of winding a mechanical timepiece. Its refined design and visible mechanical character make it a perfect decorative piece for collectors and enthusiasts of mechanical artistry.\u003c\/p\u003e\n\u003ch3 data-start=\"981\" data-end=\"1007\"\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul data-start=\"1009\" data-end=\"1237\"\u003e\n\u003cli data-start=\"1009\" data-end=\"1069\"\u003e\n\u003cp data-start=\"1011\" data-end=\"1069\"\u003e\u003cstrong data-start=\"1011\" data-end=\"1028\"\u003eProduct Name:\u003c\/strong\u003e Polaris Mechanical Chiming Metal Clock\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1070\" data-end=\"1128\"\u003e\n\u003cp data-start=\"1072\" data-end=\"1128\"\u003e\u003cstrong data-start=\"1072\" data-end=\"1091\"\u003eChime Function:\u003c\/strong\u003e Hourly chime (strikes on the hour)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1129\" data-end=\"1165\"\u003e\n\u003cp data-start=\"1131\" data-end=\"1165\"\u003e\u003cstrong data-start=\"1131\" data-end=\"1149\"\u003ePower Reserve:\u003c\/strong\u003e Up to 15 days\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1166\" data-end=\"1189\"\u003e\n\u003cp data-start=\"1168\" data-end=\"1189\"\u003e\u003cstrong data-start=\"1168\" data-end=\"1181\"\u003eMaterial:\u003c\/strong\u003e Metal\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1190\" data-end=\"1213\"\u003e\n\u003cp data-start=\"1192\" data-end=\"1213\"\u003e\u003cstrong data-start=\"1192\" data-end=\"1205\"\u003eDiameter:\u003c\/strong\u003e 18 cm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1214\" data-end=\"1237\"\u003e\n\u003cp data-start=\"1216\" data-end=\"1237\"\u003e\u003cstrong data-start=\"1216\" data-end=\"1227\"\u003eHeight:\u003c\/strong\u003e 28.5 cm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1239\" data-end=\"1402\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eA beautiful blend of \u003cstrong data-start=\"1260\" data-end=\"1308\"\u003emechanical engineering and decorative design\u003c\/strong\u003e, the Polaris Mechanical Chiming Metal Clock adds a touch of timeless charm to any space. 🕰️✨\u003c\/p\u003e","brand":"surplusfun","offers":[{"title":"Clock Only","offer_id":48353740226712,"sku":null,"price":125.99,"currency_code":"USD","in_stock":true},{"title":"Includes Base","offer_id":48353740259480,"sku":null,"price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/O1CN01zbEpK11W7sqwRq3tU__45112742.jpg?v=1773218686"},{"product_id":"mini-aircraft-model-stirling-engine-model","title":"Mini Aircraft Model Stirling Engine Model","description":"\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-(--header-height)\" dir=\"auto\" data-turn-id=\"2eaf93d2-0a52-42b4-9e34-16d6f26db52d\" data-testid=\"conversation-turn-599\" data-scroll-anchor=\"false\" data-turn=\"user\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pt-12 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"user\" data-message-id=\"2eaf93d2-0a52-42b4-9e34-16d6f26db52d\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden items-end rtl:items-start\"\u003e\n\u003cdiv class=\"user-message-bubble-color corner-superellipse\/1.1 relative rounded-[18px] px-4 py-1.5 data-[multiline]:py-3 max-w-[var(--user-chat-width,70%)]\" data-multiline=\"\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-698e868d-54c4-8321-a28b-e4988c6b738d-214\" data-testid=\"conversation-turn-600\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"d058684b-5fdf-4c90-81a6-66f6e2a1ea19\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003cp data-start=\"46\" data-end=\"421\"\u003eExperience the beauty of classic thermodynamics with the \u003cstrong data-start=\"103\" data-end=\"148\"\u003eMini Aircraft Model Stirling Engine Model\u003c\/strong\u003e. Designed with an aviation-inspired look, this compact mechanical model demonstrates the fascinating principles of a Stirling engine in motion. Once powered, the engine runs smoothly with a mesmerizing rhythm, making it both an educational tool and a unique display piece.\u003c\/p\u003e\n\u003cp data-start=\"423\" data-end=\"743\"\u003eCrafted from \u003cstrong data-start=\"436\" data-end=\"457\"\u003epremium materials\u003c\/strong\u003e, the model features a \u003cstrong data-start=\"480\" data-end=\"499\"\u003esolid wood base\u003c\/strong\u003e, \u003cstrong data-start=\"501\" data-end=\"520\"\u003ebrass structure\u003c\/strong\u003e, and an \u003cstrong data-start=\"529\" data-end=\"556\"\u003ealuminum alloy flywheel\u003c\/strong\u003e for durability and visual appeal. The \u003cstrong data-start=\"595\" data-end=\"647\"\u003ehigh-temperature resistant quartz glass cylinder\u003c\/strong\u003e allows you to observe the internal operation clearly, adding both function and aesthetic value.\u003c\/p\u003e\n\u003cp data-start=\"745\" data-end=\"987\"\u003eUsing \u003cstrong data-start=\"751\" data-end=\"782\"\u003e95% medical alcohol as fuel\u003c\/strong\u003e, the engine converts heat into mechanical motion, offering a hands-on way to explore energy transformation. It’s perfect for hobbyists, engineering enthusiasts, and anyone interested in mechanical models.\u003c\/p\u003e\n\u003ch3 data-start=\"989\" data-end=\"1015\"\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul data-start=\"1017\" data-end=\"1338\"\u003e\n\u003cli data-start=\"1017\" data-end=\"1050\"\u003e\n\u003cp data-start=\"1019\" data-end=\"1050\"\u003e\u003cstrong data-start=\"1019\" data-end=\"1037\"\u003eBase Material:\u003c\/strong\u003e Solid Wood\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1051\" data-end=\"1082\"\u003e\n\u003cp data-start=\"1053\" data-end=\"1082\"\u003e\u003cstrong data-start=\"1053\" data-end=\"1074\"\u003eBracket Material:\u003c\/strong\u003e Brass\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1083\" data-end=\"1111\"\u003e\n\u003cp data-start=\"1085\" data-end=\"1111\"\u003e\u003cstrong data-start=\"1085\" data-end=\"1103\"\u003eBody Material:\u003c\/strong\u003e Brass\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1112\" data-end=\"1172\"\u003e\n\u003cp data-start=\"1114\" data-end=\"1172\"\u003e\u003cstrong data-start=\"1114\" data-end=\"1140\"\u003eHot Cylinder Material:\u003c\/strong\u003e High-temperature Quartz Glass\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1173\" data-end=\"1214\"\u003e\n\u003cp data-start=\"1175\" data-end=\"1214\"\u003e\u003cstrong data-start=\"1175\" data-end=\"1197\"\u003eFlywheel Material:\u003c\/strong\u003e Aluminum Alloy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1215\" data-end=\"1253\"\u003e\n\u003cp data-start=\"1217\" data-end=\"1253\"\u003e\u003cstrong data-start=\"1217\" data-end=\"1231\"\u003eFuel Type:\u003c\/strong\u003e 95% Medical Alcohol\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1254\" data-end=\"1279\"\u003e\n\u003cp data-start=\"1256\" data-end=\"1279\"\u003e\u003cstrong data-start=\"1256\" data-end=\"1271\"\u003eNet Weight:\u003c\/strong\u003e 265 g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1280\" data-end=\"1307\"\u003e\n\u003cp data-start=\"1282\" data-end=\"1307\"\u003e\u003cstrong data-start=\"1282\" data-end=\"1299\"\u003eGross Weight:\u003c\/strong\u003e 400 g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1308\" data-end=\"1338\"\u003e\n\u003cp data-start=\"1310\" data-end=\"1338\"\u003e\u003cstrong data-start=\"1310\" data-end=\"1319\"\u003eSize:\u003c\/strong\u003e 130 × 80 × 90 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1340\" data-end=\"1364\"\u003eUsage \u0026amp; Safety Notes\u003c\/h3\u003e\n\u003cul data-start=\"1366\" data-end=\"1771\"\u003e\n\u003cli data-start=\"1366\" data-end=\"1425\"\u003e\n\u003cp data-start=\"1368\" data-end=\"1425\"\u003eFill alcohol to about \u003cstrong data-start=\"1390\" data-end=\"1406\"\u003e2\/3 capacity\u003c\/strong\u003e, do not overfill\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1426\" data-end=\"1489\"\u003e\n\u003cp data-start=\"1428\" data-end=\"1489\"\u003eThe engine generates \u003cstrong data-start=\"1449\" data-end=\"1487\"\u003ehigh temperatures during operation\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1490\" data-end=\"1539\"\u003e\n\u003cp data-start=\"1492\" data-end=\"1539\"\u003e\u003cstrong data-start=\"1492\" data-end=\"1537\"\u003eChildren must use under adult supervision\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1540\" data-end=\"1621\"\u003e\n\u003cp data-start=\"1542\" data-end=\"1621\"\u003eDo not touch \u003cstrong data-start=\"1555\" data-end=\"1573\"\u003ehot components\u003c\/strong\u003e (heating cylinder, engine body) while running\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1622\" data-end=\"1692\"\u003e\n\u003cp data-start=\"1624\" data-end=\"1692\"\u003eAllow the engine to \u003cstrong data-start=\"1644\" data-end=\"1690\"\u003ecool naturally before storage or refueling\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1693\" data-end=\"1771\"\u003e\n\u003cp data-start=\"1695\" data-end=\"1771\"\u003e\u003cstrong data-start=\"1695\" data-end=\"1719\"\u003eDo not add lubricant\u003c\/strong\u003e to the piston (pre-lubricated with solid lubricant)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":48753843634328,"sku":null,"price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/05_2cee26e0-7716-49b7-8c64-5b62c33a0043.jpg?v=1774061870"},{"product_id":"stirling-engine-with-adjustable-speed","title":"Stirling Engine With Adjustable Speed","description":"\u003cp data-start=\"42\" data-end=\"349\"\u003eDiscover the fascinating world of thermodynamics with the \u003cstrong data-start=\"100\" data-end=\"141\"\u003eStirling Engine With Adjustable Speed\u003c\/strong\u003e. This compact yet powerful model allows you to observe how heat energy is converted into smooth mechanical motion—now with the added feature of \u003cstrong data-start=\"286\" data-end=\"314\"\u003eadjustable speed control\u003c\/strong\u003e for a more interactive experience.\u003c\/p\u003e\n\u003cp data-start=\"351\" data-end=\"592\"\u003eWith its clean design and visible moving parts, the engine offers a captivating display as it runs. You can easily adjust the speed to observe different motion states, making it both an engaging educational tool and a unique desktop display.\u003c\/p\u003e\n\u003cp data-start=\"594\" data-end=\"768\"\u003eBuilt with precision and attention to detail, this model is perfect for hobbyists, engineering enthusiasts, and anyone curious about how mechanical energy works in real time.\u003c\/p\u003e\n\u003ch3 data-start=\"770\" data-end=\"793\"\u003eProduct Information\u003c\/h3\u003e\n\u003cul data-start=\"795\" data-end=\"921\"\u003e\n\u003cli data-start=\"795\" data-end=\"854\"\u003e\n\u003cp data-start=\"797\" data-end=\"854\"\u003e\u003cstrong data-start=\"797\" data-end=\"814\"\u003eProduct Name:\u003c\/strong\u003e Stirling Engine With Adjustable Speed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"855\" data-end=\"895\"\u003e\n\u003cp data-start=\"857\" data-end=\"895\"\u003e\u003cstrong data-start=\"857\" data-end=\"874\"\u003eProduct Size:\u003c\/strong\u003e 100 × 100 × 100 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"896\" data-end=\"921\"\u003e\n\u003cp data-start=\"898\" data-end=\"921\"\u003e\u003cstrong data-start=\"898\" data-end=\"913\"\u003eNet Weight:\u003c\/strong\u003e 320 g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"923\" data-end=\"935\"\u003eFeatures\u003c\/h3\u003e\n\u003cul data-start=\"937\" data-end=\"1246\"\u003e\n\u003cli data-start=\"937\" data-end=\"1016\"\u003e\n\u003cp data-start=\"939\" data-end=\"1016\"\u003e\u003cstrong data-start=\"939\" data-end=\"967\"\u003eAdjustable Speed Control\u003c\/strong\u003e – Observe different operating speeds with ease\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1017\" data-end=\"1098\"\u003e\n\u003cp data-start=\"1019\" data-end=\"1098\"\u003e\u003cstrong data-start=\"1019\" data-end=\"1048\"\u003eEducational \u0026amp; Interactive\u003c\/strong\u003e – Demonstrates heat-to-motion energy conversion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1099\" data-end=\"1175\"\u003e\n\u003cp data-start=\"1101\" data-end=\"1175\"\u003e\u003cstrong data-start=\"1101\" data-end=\"1128\"\u003eCompact \u0026amp; Display-Ready\u003c\/strong\u003e – Perfect for desks, shelves, or collections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1176\" data-end=\"1246\"\u003e\n\u003cp data-start=\"1178\" data-end=\"1246\"\u003e\u003cstrong data-start=\"1178\" data-end=\"1198\"\u003eSmooth Operation\u003c\/strong\u003e – Enjoy stable and visually satisfying motion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"surplusfun","offers":[{"title":"Horizontal","offer_id":48753851138200,"sku":null,"price":99.99,"currency_code":"USD","in_stock":true},{"title":"Vertical","offer_id":48753851170968,"sku":null,"price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/01_46d8e880-1bc3-41d6-bc34-7886540a42fe.jpg?v=1774062277"},{"product_id":"stirling-helicopter-model","title":"Stirling Helicopter Model","description":"\u003cp data-start=\"30\" data-end=\"403\"\u003eExperience the perfect blend of \u003cstrong data-start=\"62\" data-end=\"92\"\u003eengineering and creativity\u003c\/strong\u003e with the \u003cstrong data-start=\"102\" data-end=\"131\"\u003eStirling Helicopter Model\u003c\/strong\u003e. Inspired by the classic Stirling engine, this unique model transforms heat energy into mechanical motion—powering a miniature helicopter system with spinning components and intricate gear movement. It’s not just a model, but a dynamic demonstration of physics in action.\u003c\/p\u003e\n\u003cp data-start=\"405\" data-end=\"819\"\u003eBuilt with \u003cstrong data-start=\"416\" data-end=\"442\"\u003ehigh-quality materials\u003c\/strong\u003e and precision craftsmanship, the model features a robust structure made from \u003cstrong data-start=\"520\" data-end=\"543\"\u003e6061 aluminum alloy\u003c\/strong\u003e, combined with \u003cstrong data-start=\"559\" data-end=\"587\"\u003ebrass gears and flywheel\u003c\/strong\u003e for smooth and stable operation. The \u003cstrong data-start=\"625\" data-end=\"681\"\u003estainless steel heating cylinder and connecting rods\u003c\/strong\u003e ensure durability under high temperatures, while the \u003cstrong data-start=\"735\" data-end=\"766\"\u003ewear-resistant glass piston\u003c\/strong\u003e provides long-lasting, maintenance-free performance.\u003c\/p\u003e\n\u003cp data-start=\"821\" data-end=\"1129\"\u003eAs the engine runs, you can watch the coordinated movement of \u003cstrong data-start=\"883\" data-end=\"917\"\u003egears, flywheel, and propeller\u003c\/strong\u003e, creating a visually captivating mechanical display. With multiple precision bearings and detailed components, this model offers both a rewarding hands-on experience and an impressive finished piece for display.\u003c\/p\u003e\n\u003ch3 data-start=\"1131\" data-end=\"1157\"\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul data-start=\"1159\" data-end=\"1268\"\u003e\n\u003cli data-start=\"1159\" data-end=\"1199\"\u003e\n\u003cp data-start=\"1161\" data-end=\"1199\"\u003e\u003cstrong data-start=\"1161\" data-end=\"1178\"\u003eProduct Size:\u003c\/strong\u003e 250 × 135 × 140 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1200\" data-end=\"1225\"\u003e\n\u003cp data-start=\"1202\" data-end=\"1225\"\u003e\u003cstrong data-start=\"1202\" data-end=\"1217\"\u003eNet Weight:\u003c\/strong\u003e 400 g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1226\" data-end=\"1268\"\u003e\n\u003cp data-start=\"1228\" data-end=\"1268\"\u003e\u003cstrong data-start=\"1228\" data-end=\"1260\"\u003eGross Weight (with package):\u003c\/strong\u003e 550 g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1270\" data-end=\"1296\"\u003eMaterials \u0026amp; Components\u003c\/h3\u003e\n\u003cul data-start=\"1298\" data-end=\"1793\"\u003e\n\u003cli data-start=\"1298\" data-end=\"1340\"\u003e\n\u003cp data-start=\"1300\" data-end=\"1340\"\u003e\u003cstrong data-start=\"1300\" data-end=\"1318\"\u003eBody Material:\u003c\/strong\u003e 6061 Aluminum Alloy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1341\" data-end=\"1369\"\u003e\n\u003cp data-start=\"1343\" data-end=\"1369\"\u003e\u003cstrong data-start=\"1343\" data-end=\"1361\"\u003eGear Material:\u003c\/strong\u003e Brass\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1370\" data-end=\"1422\"\u003e\n\u003cp data-start=\"1372\" data-end=\"1422\"\u003e\u003cstrong data-start=\"1372\" data-end=\"1394\"\u003eFlywheel Material:\u003c\/strong\u003e Brass (Diameter: 29.5 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1423\" data-end=\"1494\"\u003e\n\u003cp data-start=\"1425\" data-end=\"1494\"\u003e\u003cstrong data-start=\"1425\" data-end=\"1446\"\u003eHeating Cylinder:\u003c\/strong\u003e 304 Stainless Steel (Outer Diameter: 11.4 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1495\" data-end=\"1547\"\u003e\n\u003cp data-start=\"1497\" data-end=\"1547\"\u003e\u003cstrong data-start=\"1497\" data-end=\"1525\"\u003ePiston \u0026amp; Connecting Rod:\u003c\/strong\u003e 304 Stainless Steel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1548\" data-end=\"1627\"\u003e\n\u003cp data-start=\"1550\" data-end=\"1627\"\u003e\u003cstrong data-start=\"1550\" data-end=\"1570\"\u003ePiston Material:\u003c\/strong\u003e Maintenance-free Wear-resistant Glass (Diameter: 9 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1628\" data-end=\"1673\"\u003e\n\u003cp data-start=\"1630\" data-end=\"1673\"\u003e\u003cstrong data-start=\"1630\" data-end=\"1651\"\u003eCylinder Housing:\u003c\/strong\u003e 6061 Aluminum Alloy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1674\" data-end=\"1712\"\u003e\n\u003cp data-start=\"1676\" data-end=\"1712\"\u003e\u003cstrong data-start=\"1676\" data-end=\"1690\"\u003ePropeller:\u003c\/strong\u003e 6061 Aluminum Alloy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1713\" data-end=\"1742\"\u003e\n\u003cp data-start=\"1715\" data-end=\"1742\"\u003e\u003cstrong data-start=\"1715\" data-end=\"1735\"\u003ePulley Diameter:\u003c\/strong\u003e 8 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1743\" data-end=\"1793\"\u003e\n\u003cp data-start=\"1745\" data-end=\"1793\"\u003e\u003cstrong data-start=\"1745\" data-end=\"1771\"\u003eAlcohol Lamp Material:\u003c\/strong\u003e 6061 Aluminum Alloy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1795\" data-end=\"1817\"\u003eMechanical Details\u003c\/h3\u003e\n\u003cul data-start=\"1819\" data-end=\"1948\"\u003e\n\u003cli data-start=\"1819\" data-end=\"1853\"\u003e\n\u003cp data-start=\"1821\" data-end=\"1853\"\u003e\u003cstrong data-start=\"1821\" data-end=\"1844\"\u003ePrecision Bearings:\u003c\/strong\u003e 10 pcs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1854\" data-end=\"1880\"\u003e\n\u003cp data-start=\"1856\" data-end=\"1880\"\u003e\u003cstrong data-start=\"1856\" data-end=\"1872\"\u003eBevel Gears:\u003c\/strong\u003e 4 pcs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1881\" data-end=\"1906\"\u003e\n\u003cp data-start=\"1883\" data-end=\"1906\"\u003e\u003cstrong data-start=\"1883\" data-end=\"1898\"\u003eSpur Gears:\u003c\/strong\u003e 2 pcs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1907\" data-end=\"1948\"\u003e\n\u003cp data-start=\"1909\" data-end=\"1948\"\u003e\u003cstrong data-start=\"1909\" data-end=\"1939\"\u003eScrews \u0026amp; Set Screws (304):\u003c\/strong\u003e 44 pcs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1950\" data-end=\"1962\"\u003eFeatures\u003c\/h3\u003e\n\u003cul data-start=\"1964\" data-end=\"2303\"\u003e\n\u003cli data-start=\"1964\" data-end=\"2043\"\u003e\n\u003cp data-start=\"1966\" data-end=\"2043\"\u003e\u003cstrong data-start=\"1966\" data-end=\"2000\"\u003eWorking Stirling Engine System\u003c\/strong\u003e – Converts heat into motion in real time\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2044\" data-end=\"2133\"\u003e\n\u003cp data-start=\"2046\" data-end=\"2133\"\u003e\u003cstrong data-start=\"2046\" data-end=\"2076\"\u003eHelicopter-Inspired Design\u003c\/strong\u003e – Adds dynamic visual movement with rotating propeller\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2134\" data-end=\"2207\"\u003e\n\u003cp data-start=\"2136\" data-end=\"2207\"\u003e\u003cstrong data-start=\"2136\" data-end=\"2157\"\u003ePremium Materials\u003c\/strong\u003e – Durable, precise, and built for long-term use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2208\" data-end=\"2303\"\u003e\n\u003cp data-start=\"2210\" data-end=\"2303\"\u003e\u003cstrong data-start=\"2210\" data-end=\"2241\"\u003eEducational \u0026amp; Display Value\u003c\/strong\u003e – Perfect for learning and showcasing mechanical principles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":48753855365272,"sku":null,"price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/WechatIMG1964.jpg?v=1774062933"},{"product_id":"stirling-engine-music-box","title":"Stirling Engine Music Box","description":"\u003cp data-start=\"30\" data-end=\"319\"\u003eThe \u003cstrong data-start=\"34\" data-end=\"63\"\u003eStirling Engine Music Box\u003c\/strong\u003e is a unique blend of \u003cstrong data-start=\"85\" data-end=\"126\"\u003emechanical science and artistic charm\u003c\/strong\u003e. Powered by heat, this fascinating model transforms thermal energy into motion—while simultaneously playing a gentle melody, creating a truly mesmerizing experience for both the eyes and ears.\u003c\/p\u003e\n\u003cp data-start=\"321\" data-end=\"584\"\u003eAs the engine runs, you can watch the smooth movement of the flywheel and internal components, all working together in harmony with the music. It’s not just a model, but a captivating display that combines \u003cstrong data-start=\"527\" data-end=\"561\"\u003eengineering, motion, and sound\u003c\/strong\u003e in one compact design.\u003c\/p\u003e\n\u003cp data-start=\"586\" data-end=\"832\"\u003eWith its compact size and elegant structure, this piece is perfect for your desk, shelf, or collection. Whether you’re a hobbyist, a music lover, or simply curious about mechanical principles, this model offers a relaxing and engaging experience.\u003c\/p\u003e\n\u003ch3 data-start=\"834\" data-end=\"857\"\u003eProduct Information\u003c\/h3\u003e\n\u003cul data-start=\"859\" data-end=\"973\"\u003e\n\u003cli data-start=\"859\" data-end=\"906\"\u003e\n\u003cp data-start=\"861\" data-end=\"906\"\u003e\u003cstrong data-start=\"861\" data-end=\"878\"\u003eProduct Name:\u003c\/strong\u003e Stirling Engine Music Box\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"907\" data-end=\"947\"\u003e\n\u003cp data-start=\"909\" data-end=\"947\"\u003e\u003cstrong data-start=\"909\" data-end=\"926\"\u003eProduct Size:\u003c\/strong\u003e 100 × 100 × 100 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"948\" data-end=\"973\"\u003e\n\u003cp data-start=\"950\" data-end=\"973\"\u003e\u003cstrong data-start=\"950\" data-end=\"965\"\u003eNet Weight:\u003c\/strong\u003e 320 g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":48753869619352,"sku":null,"price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/01_8a9efefd-f9dd-45dd-b0e1-12aade882d04.jpg?v=1774063277"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/collections\/10007_f0a26354-b4af-4460-a32c-8315ad4b31ed.jpg?v=1732284381","url":"https:\/\/surplusfun.com\/collections\/3d-metal-model.oembed?page=4","provider":"surplusfun","version":"1.0","type":"link"}