Spring your marble to the track above with the “GraviTrax Jumper” and keep the action hopping! Move up a level! The Jumper lifts your marble to a higher level and at the same time creates a transit tunnel. Combine the Jumper with your GraviTrax Starter-Set for an exciting addition to your marble run. Can you get your marbles jumping? Comes complete with 1 Jumper action tile, 1 long track, 2 medium tracks, 3 short tracks and instructions.