{"product_id":"diy-balloon-car-racer-3d-puzzle-science-experiment-kits-balloon","title":"DIY Balloon-Powered Car Racer — Kids STEM Science Experiment Kit","description":"\u003cp\u003eBuild a car that runs on nothing but air. This \u003cstrong\u003eDIY balloon-powered racer kit\u003c\/strong\u003e teaches kids the real physics of propulsion — how air pressure, thrust, and Newton’s Third Law work together to move an object forward. Simple to build, thrilling to race.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalloon-Powered Propulsion —\u003c\/strong\u003e Kids inflate the balloon, release it, and watch their car launch forward — a hands-on demonstration of thrust, air pressure, and Newton’s Third Law that clicks instantly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull DIY Assembly —\u003c\/strong\u003e All parts require assembly by the child, building hand-eye coordination, fine motor skills, and the satisfaction of racing something they built themselves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Quality ABS Construction —\u003c\/strong\u003e Made from durable, eco-friendly ABS plastic with a smooth finish — safe for kids and built to handle repeated launches and races.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTEM Learning Through Play —\u003c\/strong\u003e Covers propulsion, air pressure, friction, and basic physics in a format that feels like a game — ideal for science lessons, fairs, and enrichment activities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Assembled Size —\u003c\/strong\u003e Finished car measures 11 x 11 x 7 cm — easy to race indoors on any flat surface, no track required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect STEM Gift —\u003c\/strong\u003e A great birthday or holiday gift for curious kids who love building, racing, and understanding how things work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eABS plastic (eco-friendly)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Source\u003c\/td\u003e\n\u003ctd\u003eBalloon (air pressure)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembled Size\u003c\/td\u003e\n\u003ctd\u003e11 x 11 x 7 cm (4.33\" x 4.33\" x 2.76\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncludes\u003c\/td\u003e\n\u003ctd\u003e1 complete DIY balloon car kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScience Topic\u003c\/td\u003e\n\u003ctd\u003ePropulsion, air pressure, Newton’s Third Law\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Age\u003c\/td\u003e\n\u003ctd\u003e5+ (not for infants)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUse Case\u003c\/td\u003e\n\u003ctd\u003eSTEM education, science fairs, gifts, parent-child projects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"AliExpress","offers":[{"title":"Default Title","offer_id":53717416378552,"sku":"PRODUCT BALLOON CAR","price":7.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0937\/3764\/8312\/files\/S844fcf20a00a4acea77528cdfb9652f9O.webp?v=1783486338","url":"https:\/\/hardassetsecurity.com\/products\/diy-balloon-car-racer-3d-puzzle-science-experiment-kits-balloon","provider":"Hard Asset Security","version":"1.0","type":"link"}