Ravensburger GraviTrax Magnetic Cannon Expansion

Requires the GraviTrax Starter Set (sold separately).

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. Place one of the magnetic cannons along your construction and marvel as the spheres are given a boost of energy as they make their way down. This accessory also includes 3 additional marbles.