GraviTrax Expansion Packs

GraviTrax Expansion Set: Building - Increase the possible combinations and construct even more complex ball track systems. Only playable with Gra...

GraviTrax Expansion Set: Trax - Extend your run! Only playable with GraviTrax starter set Clear instructions – comes with clear instructions so t...

GraviTrax Expansion Set: Tunnels Create the element of surprise with the GraviTrax Tunnels Expansion set! Use the tunnels to hide the marbles as t...