Construction Ravensburger | Gravitrax: Magnetic Cannon Expansion

Watch Your Marbles Take Off Like A Shot With The “Gravitrax Magnetic Cannon”! Launch The Marble Through Your Run By Adding The Cannon. The High-Powered Magnet Gives The Marble Speed To Help Extend Your Run By Boosting It Up Inclines And Down Tracks. This Accessory Also Includes 3 Additional Marbles.

Starter Set Required.