GraviTrax Starter Set
The GraviTrax Starter Set is the base kit of Ravensburger's GraviTrax system, an expandable, interactive marble run for children aged 8 and over. Builders arrange height tiles, curves, rails and launch pieces on hexagonal base plates so that balls travel a planned course under gravity. The set has over 100 components and works with the system's many expansion sets.
Text from OyList

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