Gravitrax Expansion - Building Surprise Box Rainbow rocket is true to

Rainbow rocket is true to its name

Sheets measure 12

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Experience electricity at your fingertips with the Young Scientists Club Plasma Globe

Learn how the elastic material stores energy and then releases it to move the models

Gravitrax Expansion - Building Surprise Box Rainbow rocket is true toTake 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. Ages 8