{"product_id":"mechanical-track-ball-3d-puzzle","title":"Mechanical Track Ball 3D Puzzle - Wooden Kinetic Sculpture 218 Pieces","description":"\u003cp\u003eTurn the crank. Watch the marble climb. Follow it as it drops through spirals, rolls across bridges, triggers levers, and finds its way back to the start. Then turn the crank again — because you can't not.\u003c\/p\u003e\n\n\u003cp\u003eThis 218-piece wooden kinetic sculpture is part puzzle, part desk toy, part meditation device. You build it in about 5-6 hours, and then it sits on your desk being quietly hypnotic whenever you need a break from the screen.\u003c\/p\u003e\n\n\u003ch3\u003eThe anti-screen break\u003c\/h3\u003e\n\n\u003cp\u003eWe all need something physical to do with our hands during long work days. This is infinitely better than a fidget spinner. Crank the handle, watch the marble, let your mind wander for thirty seconds. Then go back to work feeling slightly more human. Your colleagues will want turns. Let them.\u003c\/p\u003e\n\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e218 precision-cut wooden pieces. No glue required.\u003c\/li\u003e\n\u003cli\u003eHand-crank mechanism — no batteries.\u003c\/li\u003e\n\u003cli\u003eSteel marbles included.\u003c\/li\u003e\n\u003cli\u003eAssembly time: 5-6 hours.\u003c\/li\u003e\n\u003cli\u003eIllustrated guide (English).\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PUZZVO","offers":[{"title":"Hand Crank","offer_id":55802492027265,"sku":"4994356613914","price":46.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/9801\/3057\/files\/track_ball_dark.png?v=1781938921","url":"https:\/\/puzzvo.com\/products\/mechanical-track-ball-3d-puzzle","provider":"PUZZVO","version":"1.0","type":"link"}