Ravensburger GraviTrax Extension Pack

AGES 8+ Requires the GraviTrax Starter Set (sold separately). The Building Expansion offers over 25 additional elements to expand your track vertically. You'll increase the action when increasing the height of your run. Experiment with the combination of height tiles, base plates, freefalls, switches and even another level. See how high you can build your track before getting the marbles to the finish!