GraviTrax - Building Expansion Bibs No green thumb required

No green thumb required

Natural latch on

It eliminates 99% of polluting bacteria in the air

and 5-point harness for lasting comfort and security

For attachment on chassis handle

GraviTrax - Building Expansion Bibs No green thumb requiredExpand your possibilities! The Building Expansion offers over 25 additional elements to expand your track vertically. Youll 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. GraviTrax Starter Set required. Contents 2 Base Plates, 1 Transparent Level, 8 Large