GraviTrax the GAME: SWITCH by RavensburgerAbout this item GraviTrax The Game Switch invites boys and girls aged 8 and over to playfully solve tricky puzzles with a marble run With 30 task cards, 3 switches, 2 finish blocks and many more building blocks, children are creatively introduced to constructing a marble run No starter set is needed to solve the varied tasks and all parts can be easily integrated into the GraviTrax world Whether on holiday, indoors at home, alone or with friends,