A new spectacular Action & Reaction kit with a surprising effect: the balls glow in the dark!

The transparent tracks make the glow-in-the-dark effect of the balls even more pronounced for engaging in swirling challenges even in the dark!

An expansion kit for making the circuits even more varied thanks to cross-over tracks, the branch-off and double start!

An engaging game that stimulates creativity and intelligence while introducing children to the basics of physics in an easy and fun way.

Suitable for children over the age of 8