Marble Squad Trapdoors Marble Run MR-4 3D Wooden Puzzle
Order Placed
Nov 07
Shipped
Nov 09
Delivered
Nov 14
DIYative™ Marble Squad Trapdoors Marble Run MR-4 3D Wooden Puzzle is a well-designed 3D wooden puzzle marble run based on great human engineering. It combines the beauty of science and machines, involving so many small gadgets. Build the set and crank the handle, watch marbles run crazy down each trapdoor, slope, and twist turns. It will bring you a super fun building & playing experience.
- TRACK TRAPDOORS: A handcrafted marble run 3d wooden puzzle set with a whole back of trapdoor track. Build it with 233 building pieces and 10 marbles.
- MANY GEAR GADGETS: Consists of a wheel lifter, a stair stepper, 4 straight rails, trapdoors, and a block track. An intricate system of cogs, gears, and wheels, full of crazy twists and turns.
- STEM CONCEPTS: Learn principles of Science, Technology, Engineering, and Mathematics(STEM)
- HOBBY & GIFT: Precise laser cutting ensure you a fluent building experience. Also a great gift for family and friends.
We offer free shipping across USA on all orders. Your satisfaction is our top priority — if you're not 100% happy with your purchase, you can return or exchange any item within 30 days of delivery.