Kosmos Gecko Run, Wheels

If you're clever, you can combine the two differently sized wheels to create a kind of gearbox. This makes surprisingly fantastic effects possible.
Together with the additional parts, this set extends the length of the track and offers an extra dose of puzzling fun. The ball is spinning here!
The short instructions explain how the two wheels are ideally used in the marble run and you're ready to go. Get to work and build wherever it's smooth and vertical!
Innovative extension to the KOSMOS Gecko Run for even more experimental fun for all children aged eight and over.
Note: Can only be played with the KOSMOS Gecko Run "Starter Set" or the 'Big Box'.

Turn right or left? The speed of the ball alone decides which way the wheels turn. Particularly surprising effects await if you combine the two differently sized wheels to form a kind of gearbox. But this set not only offers extra puzzling fun, the additional parts also make the track even longer. The quick guide explains how to use the two wheels in the ball track in the best possible way and you can start building wherever it is smooth and vertical! An innovative extension to the KOSMOS Gecko Run for even more experimental fun for children aged eight and over. Note: Can only be played with the KOSMOS Gecko Run "Starter Set" or the "Big Box".