Gravitrax Expansion Building the box is ideal for

the box is ideal for all sorts of precious items

pack it in your hospital bag as a coming-home ensemble and then use it for the weeks that follow

Puzzling also promotes unplugged play

The striking appearance of this boat is certainly eye-catching

Comes complete with Zipline (easily assembled)

Gravitrax Expansion Building the box is ideal forTake your track to new heights with the GraviTrax Building Expansion set! 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 What