Marble Parkour Big Funnel Run MR-1 3D Wooden Puzzle

DIYative™ Marble Parkour Big Funnel Run MR-1 is based on great human engineering. Its design combines the beauty of physics, science and machines, involving so many small gadgets and parts. Build this amazing marble run 3D wooden puzzle set and crank the handle, watch marbles run crazy down the slopes and twisting turns. Have fun!

• FUNNEL RAIL: handcrafted marble run 3D wooden puzzle set with a big funnel rail. Build it with 233 puzzle pieces and 10 marbles.

• MANY GEAR GADGETS: Consists of a wheel lifter, a stair stepper as an elevator, a spiral funnel,2 straight rails, 3 curve rails, and a flip-flop as a switch to drive marbles to 2 paths.

• STEM CONCEPTS: Learn principles of Science, Technology, Engineering, and Mathematics(STEM)

• HOBBY & GIFT: Precise laser cutting ensure a fluent building experience. Also, serve as a great gift for family and friends.