The interactive marble run system from Ravensburger. Take your marbles to a new level! The jumper lifts your marbles to a higher level and at the same time creates a passage tunnel. How do you divide the paths of your marbles with the jumper? With the GraviTrax marble run system, you can playfully discover gravity and with various expansions, it can be expanded for endless building and playing fun! Add even more speed with the expansion sets. Take your marbles to a new level! The jumper lifts your marbles to a higher level and at the same time creates a passage tunnel. How do you divide the paths of your marbles with the jumper? Contents: manual (D, F, I, EN, NL, E), 1 jumper action block, 1 long plastic track, 2 medium plastic tracks, 3 short plastic tracks. Not suitable for children under 3 years