Robotime Marble Parkour DIY Model Kit

This is a fun-to-build Big Funnel marble run 3D wooden puzzle toy. Get ready to race against time & speed with this amazing wooden marble run set! Not only do you have fun building this marble run you can also play on it! Its design combines the beauty of science and machines, involving so many small gadgets. Consists of a wheel lifter, a stair stepper as an elevator, a spiral funnel,2 straight rails, 3 curve rails, a flip-flop as a switch to drive marbles to 2 paths. 254 pieces, approx build time 6 hours, approx size once built 25.5 cm x 23.5cm x 18.5cm