The Ravensburger GraviTrax Interactive Track System Starter Set is a plastic construction toy designed for children aged 8 and above. This set includes a variety of components to build a marble run using the GraviTrax product line. The interactive track system allows kids to create their own unique designs and observe the gravitational effect on the marbles. The brand Ravensburger is known for its high-quality construction toys, making this set a great choice for children who enjoy building and manipulating physical structures. Used in very good condition
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