{"product_id":"wooden-marble-run-kit-mechanical-gear-machine-diy-3d-puzzle-toy","title":"Wooden Marble Run Kit – Mechanical Gear Machine DIY 3D Puzzle Toy","description":"\u003cp\u003eWhirl N Twirl is the one that runs itself. A motor drives the toothed lift wheel, carrying marbles to the top of the frame and releasing them onto the upper track. From there they find three ways down: a helical spiral, a zigzag switchback, and a long sweeping curve back to the base, where the wheel picks them up and starts again.\u003c\/p\u003e\n\u003cp\u003eIts 230 laser-cut wooden pieces slot together without glue, and Level 7 earns its number: 4 to 5 hours of gear alignment and test runs before the loop finally closes.\u003c\/p\u003e\n\u003cp\u003eThe motor and battery case are in the box. Batteries are not included.\u003c\/p\u003e","brand":"inshopcart","offers":[{"title":"Default Title","offer_id":44123118010446,"sku":null,"price":67.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/6974\/2926\/files\/slide-1-hero-text_b89afa8a-be81-4101-bba8-8869364fd19d.jpg?v=1785911640","url":"https:\/\/inshopcart.com\/products\/wooden-marble-run-kit-mechanical-gear-machine-diy-3d-puzzle-toy","provider":"Inshopcart","version":"1.0","type":"link"}