Marble Parkour Mechanical Puzzle
The Rokr Marble Run is based on the greatest feats of engineering. It combines the beauty of science, mechanics and STEM concepts.
Its open mechanism also means that when it's complete and in motion, you get a direct view of the beauty of engineering in action. Assemble on your own or with your friends, children or grandchildren. Rotate the hand crank and watch marbles run down the slopes and twisting turns!
Dimensions H 23 x W 16.5 x D 25.2 cm
Material Plywood, Card, Metal, Rubber, Plastic
Number of pieces 254
More Suitable From 14 years
Full build instructions included