Ravensburger's interactive ball track system.
Playing fun for young and old! Connect GraviTrax Junior to your GraviTrax ball track and vice versa with this handy Adapter Set. With the help of some adapters, the ball rolls from the GraviTrax world to the GraviTrax
Junior world and vice versa - for even more exciting jobs.
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.