GraviTrax Bridges Accessory - Marble Run & Construction Toy for Kids Age 8 Years and up
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- Thanks to the GraviTrax interactive track system, you can design and build your own track!
- You will discover how the laws of physics affect what your ball does
- The aim of the game is to get the balls to the finish line
- Combine the Bridges with the GraviTrax Starter Kit for even more action and excitement
- Only play with the GraviTrax starter kit (Starter kit needed)