{"product_id":"marble-run-chain-hoist-model-kit-for-adults-3d-puz","title":"Marble Run Chain Hoist Model Kit For Adults, 3D Puzzle And Mechanical Engineering Hobby Set, Hand Crank Marble Lift With Loop, Cascades And Switch Paths, Nerdy Brain Teaser Fun","description":"\u003cdiv\u003eMarble Run Chain Hoist Kit: 1-Model Kit for Adults\u003cbr\u003e\n✔️ Hand-crank marble lift with loop, cascades, and switch paths \u003cp\u003eThe Marble Run Chain Hoist is a wooden, hand-cranked kinetic puzzle that lifts marbles to the top via a chain hoist, then guides them through loops, cascades, and a 3-way switch onto different tracks. Designed as a modular system, it can connect with up to four other marble run models using special connectors for expanded setups. Built from eco-friendly plywood with laser-cut precision, the kit includes all necessary components for a glue-free build (10 marbles, wax, and sandpaper) and requires no glue or special tools for assembly.\u003c\/p\u003e \u003cp\u003e✅ Material: eco-friendly plywood, laser-cut for precision \u003cbr\u003e\n✅ Includes 10 marbles, wax, sandpaper for a complete build \u003cbr\u003e\n✅ No glue or specialized tools required for assembly \u003cbr\u003e\n✅ Modular design; connect with up to four models for bigger runs \u003cbr\u003e\n✅ Hand-crank chain hoist lifts marbles to the top and feeds into tracks \u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is a hand crank marble run chain hoist kit used for in engineering puzzles?\u003c\/p\u003e\n\u003cp\u003eIt's a handy, hands-on way to explore basic mechanisms and motion.\u003c\/p\u003e\n- learning about gear trains and gravity-driven motion\u003cbr\u003e\n- handy for STEM classrooms or home workshops\u003cbr\u003e\n- supports hands-on problem solving and design thinking\u003cbr\u003e\n- offers a decorative kinetic sculpture for desks\u003cbr\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49132036718827,"sku":"VXB0FTYYD8PL","price":137.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/81UxHjXjj4L_18d03209-0830-482b-bd20-afb07c53fd32.jpg?v=1785534635","url":"https:\/\/vxb.com\/products\/marble-run-chain-hoist-model-kit-for-adults-3d-puz","provider":"VXB Bearings","version":"1.0","type":"link"}