GraviTrax Pro Element Releaser Expansion Kit

Ravensburger's interactive ball track system.

This element can be used to create bullets on three levels
released. The Releaser can thus be used as a delayer and intermediate station
before the balls are installed.

With the GraviTrax ball track system you can discover gravity in a playful way and it can be expanded with various extensions for limitless building and playing fun! Add even more speed with the expansion sets.