Ravensburger - GraviTrax Extension Color Swap

Add a touch of surprise to your GraviTrax marble run with the Ravensburger Color Swap expansion! Like magic, the marbles change color as they travel through the tunnel. Hide a marble inside and it comes out on the opposite side with the illusion of having changed color! Easily combine with a GraviTrax starter set for hours of educational gravity fun. A creative, modular and expandable toy that develops critical thinking and problem solving skills.

Includes 3 Color Swaps and 3 marbles for even more building possibilities.

* Starter set sold separately.

8 years and over