ROKR 3D Puzzle for Adults Wooden Puzzles 420PCS Model Building Kit Marble Run Toys Hobbies for Men Women Desk Decor DIY Birthday Gift (Chocolate Factory)
【420pcs Brain Teaser Puzzle】Combining 3d puzzle marble run with factory concept, the 3D puzzle provides endless fun. Lifter, conveyor, funnels, tracks, bell, etc. Challenge your mind, and launch marbles to see how they travel all over the factory!
【Mechanical Engineering】Driven by gear trains, the 3D puzzle mechanical machince reveals principles of physics. A lifter delivers marbles up to the top. The marbles fall by gravity to different funnels and curves.This is a product that can start the gear operation by simply turning the handle by hand. The packaging does not include any batteries, it is a 3d wooden puzzle and does not require any batteries，just use your hand to make it start.
【Plywood Material】Made of sturdy plywood. No glue needed. The 3D puzzle is all connected by tenon and mortises. Precise pre-cut pieces are easy to pop out and fit well together. Step-by-step instruction shows clearly how to assemble. Patience is the key to successful construction.
Original price was: $59.99.$56.99Current price is: $56.99.
【420pcs Brain Teaser Puzzle】Combining 3d puzzle marble run with factory concept, the 3D puzzle provides endless fun. Lifter, conveyor, funnels, tracks, bell, etc. Challenge your mind, and launch marbles to see how they travel all over the factory!
【Mechanical Engineering】Driven by gear trains, the 3D puzzle mechanical machince reveals principles of physics. A lifter delivers marbles up to the top. The marbles fall by gravity to different funnels and curves.This is a product that can start the gear operation by simply turning the handle by hand. The packaging does not include any batteries, it is a 3d wooden puzzle and does not require any batteries，just use your hand to make it start.
【Plywood Material】Made of sturdy plywood. No glue needed. The 3D puzzle is all connected by tenon and mortises. Precise pre-cut pieces are easy to pop out and fit well together. Step-by-step instruction shows clearly how to assemble. Patience is the key to successful construction.
【Family Project】The whole family enjoying together is the best time. ROKR 3D wooden puzzle not only introduces fundamentals of mechanics to people, but also enhances quality time between families.
【Unique Gift for All】The brain teaser will amaze everyone who sees it.. birthday gift, Christmas gift or gift on any occasion. Cool gift to keep persons feel absorbed and proud.
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