{"product_id":"wind-up-car-racer-kit","title":"Wind-up Car Racer Kit","description":"\u003ch3 data-start=\"201\" data-end=\"236\"\u003e\u003cstrong data-start=\"205\" data-end=\"234\"\u003eShort Product Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"237\" data-end=\"469\"\u003eBuild your own mechanical racing car powered purely by winding and releasing stored elastic energy! Kids assemble the chassis, wheels, and wind-up mechanism to create a car that zooms forward using tension power—no batteries needed.\u003c\/p\u003e\n\u003chr data-start=\"471\" data-end=\"474\"\u003e\n\u003ch3 data-start=\"476\" data-end=\"498\"\u003e\u003cstrong data-start=\"480\" data-end=\"496\"\u003eHow It Works\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"499\" data-end=\"874\"\u003eChildren assemble a lightweight wooden car frame and attach the \u003cstrong data-start=\"563\" data-end=\"592\"\u003ewind-up elastic mechanism\u003c\/strong\u003e (rubber-band drive).\u003cbr data-start=\"613\" data-end=\"616\"\u003eWhen the rubber band is wound using the rear axle, it stores potential energy.\u003cbr data-start=\"694\" data-end=\"697\"\u003eReleasing it converts that energy into rotational motion, making the car race forward at surprising speed.\u003cbr data-start=\"803\" data-end=\"806\"\u003eA perfect introduction to \u003cstrong data-start=\"832\" data-end=\"873\"\u003eenergy, motion, and mechanical design\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"876\" data-end=\"879\"\u003e\n\u003ch3 data-start=\"881\" data-end=\"906\"\u003e\u003cstrong data-start=\"885\" data-end=\"904\"\u003eWhat Kids Learn\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"907\" data-end=\"1149\"\u003e\n\u003cli data-start=\"907\" data-end=\"970\"\u003e\n\u003cp data-start=\"909\" data-end=\"970\"\u003eHow \u003cstrong data-start=\"913\" data-end=\"941\"\u003eelastic potential energy\u003c\/strong\u003e converts to kinetic energy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"971\" data-end=\"1032\"\u003e\n\u003cp data-start=\"973\" data-end=\"1032\"\u003eBasics of \u003cstrong data-start=\"983\" data-end=\"1007\"\u003ewheel–axle mechanics\u003c\/strong\u003e and speed optimization\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1033\" data-end=\"1090\"\u003e\n\u003cp data-start=\"1035\" data-end=\"1090\"\u003eImportance of friction, alignment, and weight balance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1091\" data-end=\"1149\"\u003e\n\u003cp data-start=\"1093\" data-end=\"1149\"\u003eEngineering problem-solving through testing \u0026amp; tweaking\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1151\" data-end=\"1154\"\u003e\n\u003ch3 data-start=\"1156\" data-end=\"1187\"\u003e\u003cstrong data-start=\"1160\" data-end=\"1185\"\u003eWhat’s Inside the Box\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1188\" data-end=\"1435\"\u003e\n\u003cli data-start=\"1188\" data-end=\"1248\"\u003e\n\u003cp data-start=\"1190\" data-end=\"1248\"\u003eLaser-cut balsa wood sheets (car body, frame \u0026amp; supports)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1249\" data-end=\"1289\"\u003e\n\u003cp data-start=\"1251\" data-end=\"1289\"\u003eWheel set (wooden or plastic wheels)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1290\" data-end=\"1329\"\u003e\n\u003cp data-start=\"1292\" data-end=\"1329\"\u003eRubber bands (wind-up power source)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1330\" data-end=\"1365\"\u003e\n\u003cp data-start=\"1332\" data-end=\"1365\"\u003eWooden dowels\/axles \u0026amp; fasteners\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1366\" data-end=\"1400\"\u003e\n\u003cp data-start=\"1368\" data-end=\"1400\"\u003eDecorative stickers (optional)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1401\" data-end=\"1435\"\u003e\n\u003cp data-start=\"1403\" data-end=\"1435\"\u003eIllustrated instruction manual\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1437\" data-end=\"1440\"\u003e\n\u003ch3 data-start=\"1442\" data-end=\"1461\"\u003e\u003cstrong data-start=\"1446\" data-end=\"1459\"\u003eAge Group\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1462\" data-end=\"1475\"\u003e\u003cstrong data-start=\"1462\" data-end=\"1475\"\u003eAges 6–12\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"1477\" data-end=\"1498\"\u003e\u003cstrong data-start=\"1481\" data-end=\"1496\"\u003ePerfect For\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1499\" data-end=\"1651\"\u003eYoung tinkerers, racing lovers, science fair projects, kinetic energy lessons, makerspaces, and kids who enjoy hands-on building and motion experiments.\u003c\/p\u003e","brand":"Fat Brain Labs","offers":[{"title":"Default Title","offer_id":43870415421482,"sku":null,"price":999.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0688\/4900\/8682\/files\/1764496783728.jpg?v=1764684691","url":"https:\/\/checkout.fatbrainlabs.com\/products\/wind-up-car-racer-kit","provider":"Fat Brain Labs","version":"1.0","type":"link"}