GraviTrax POWER: Lever by RavensburgerLift your fun to a powerful new level with the very cool "GraviTrax POWER Lever" lifts your marble up then automatically resets for the next one! Go "hands free" with the "GraviTrax POWER Lever" and raise your marble 4 levels to give your race track a cool lift! This motorized version of "GraviTrax Scoop" lets you decide how it works. You can program it to reset after a marble moves up, when signaled from a POWER Trigger, or take command with the