Gravitrax Expansion Magnetic Cannon

Ready to add on to your existing Gravitrax set? This high-powered magnet jolts the marble to help boost it up inclines or re-energize it down tracks. Includes 3 additional marbles for use with Gravitrax set. Note: this is an accessory and is meant to be used with Gravitrax building sets (sold separately).

Recommended for ages 8+