Gravitrax Expansion Building Detachable & adjustable strap Metal

Detachable & adjustable strap Metal top handle Drawstring closure Dimension: 6

Get with the beat

Since putting these models together is so easy

The sound is produced by a hand-turned wheel rubbing against the strings

and the ratchet and pawl

Gravitrax Expansion Building Detachable & adjustable strap MetalTake 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