GraviTrax Volcano Add On
Cause an explosion with the Volcano, unleashing new energy into your marble run! When a marble rolls into the push button of the Volcano, it triggers an eruption launching up to 3 marbles down the tracks. This accessory also includes 6 additional tracks.
GraviTrax Starter Set Required
1x Volcano Base, 1x Long Rail, 2x Medium Rails, 3x Short rails