GraviTrax Pro Expansion Set - 3D Crossing

- For children and adults from 8 years
- Ravensburger's interactive ball track system
- With the GraviTrax ball track system you can build your own ball track world by creatively using the laws of gravity. Use the various building elements to create an action-packed course and drive the balls to the finish line using magnetism, kinetics and gravity. to take
- With the GraviTrax ball track system you can discover gravity in a playful way and it can be expanded with various extensions for limitless building and playing fun; Add even more speed with the expansion sets
- Combine as much as you want - because all GraviTrax sets are compatible with each other