{"product_id":"marble-run-maze-race-track-games-luminous-spacerail-roller-coaster","title":"Luminous Spacerail Marble Run — DIY Roller Coaster Race Track Kit","description":"\u003cp\u003eWatch steel balls race through a \u003cstrong\u003eglowing, self-cycling marble run\u003c\/strong\u003e you build yourself. The Spacerail (also known as Spacewarp) is a battery-powered DIY roller coaster that keeps running on its own — lifting balls back to the top and sending them down again, endlessly. Available in three levels of complexity for builders ages 12 and up.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLuminous Glow-in-the-Dark Track —\u003c\/strong\u003e The glowing rails make this as impressive to watch in the dark as it is to build — a showpiece as much as a toy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-Cycling Battery-Powered Lift —\u003c\/strong\u003e A motorized ladder automatically returns steel balls to the top of the track so the run never stops — no resetting, no interruptions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree Levels of Complexity —\u003c\/strong\u003e Choose Level 2 (193 pcs, 10m track), Level 3 (343 pcs, 16m track), or Level 4 (488 pcs, 22m track) based on your builder’s skill and patience level.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull DIY Assembly —\u003c\/strong\u003e Every part starts separated — builders sort, identify, and connect each piece themselves, developing spatial reasoning, patience, and engineering intuition.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Ages 12+ —\u003c\/strong\u003e Complex enough to challenge teens and adults; younger kids can complete it with a parent, making it a great family build project.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTEM Learning Through Play —\u003c\/strong\u003e Teaches physics concepts like gravity, momentum, and energy transfer in a hands-on, visually rewarding format.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpressive Display Piece —\u003c\/strong\u003e Once built, it runs continuously — a conversation-starting desk or shelf display that doubles as a working science model.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eLevel 2\u003c\/th\u003e\n\u003cth\u003eLevel 3\u003c\/th\u003e\n\u003cth\u003eLevel 4\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct No.\u003c\/td\u003e\n\u003ctd\u003eNO.231-2G\u003c\/td\u003e\n\u003ctd\u003eNO.231-3G\u003c\/td\u003e\n\u003ctd\u003eNO.233-4G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePieces\u003c\/td\u003e\n\u003ctd\u003e193 pcs\u003c\/td\u003e\n\u003ctd\u003e343 pcs\u003c\/td\u003e\n\u003ctd\u003e488 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSteel Balls\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrack Length\u003c\/td\u003e\n\u003ctd\u003e1,000 cm (33 ft)\u003c\/td\u003e\n\u003ctd\u003e1,600 cm (52 ft)\u003c\/td\u003e\n\u003ctd\u003e2,200 cm (72 ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGlow Feature\u003c\/td\u003e\n\u003ctd\u003eLuminous\u003c\/td\u003e\n\u003ctd\u003eLuminous\u003c\/td\u003e\n\u003ctd\u003eLuminous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Age\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003e12+ (younger with adult help)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003eBattery-operated lift motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"AliExpress","offers":[{"title":"231-2 Level 2","offer_id":53717028798648,"sku":"231-2LEVEL2","price":46.0,"currency_code":"USD","in_stock":true},{"title":"231-3 Level 3","offer_id":53717028831416,"sku":"231-3LEVEL3","price":69.0,"currency_code":"USD","in_stock":true},{"title":"233-4 Level 4","offer_id":53717028864184,"sku":"233-4LEVEL4","price":78.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0937\/3764\/8312\/files\/Sd3923a147fa54520b84eaee8ceafadcbD.webp?v=1783481943","url":"https:\/\/hardassetsecurity.com\/products\/marble-run-maze-race-track-games-luminous-spacerail-roller-coaster","provider":"Hard Asset Security","version":"1.0","type":"link"}