Gravitrax and Gravitax Junior Adapter Set

The interactive marble run system by Ravensburger. Fun for young and old! Connect GraviTrax Junior to your GraviTrax marble run and vice versa with this handy Adapter Set. Using a few adapters, the marble rolls from the GraviTrax world to the GraviTrax Junior world and vice versa – for even more exciting tracks. With the GraviTrax marble run system, you can discover gravity through play, and with various expansions, it can be enlarged for limitless building and playing fun! Add even more speed with the expansion sets.