Ravensburger gravitrax marble rink expansion building

The interactive bullet track system from Ravensburger. Make even more different bullet jobs! With this set you can further expand your bullet track from the starter set. Just combine the extra floor plates and other building elements and see how complex you can make your bullet track! How many detours does your bullet reach the finish? With the numerous expansion sets such as this Building Set, free building and constructing the interactive bullet track system Gravitrax becomes even more interesting and exciting every time! More options - More fun! More information on www.gravitrax.com