Expand and boost your GraviTrax marble runs with innovative drop-down bridge systems and rails! Connect the different sections of your track with these original bridges that unfold as the marbles move, and original rails like speed bumps or a monorail. They are sure to add a spectacular effect to your marble runs!
This expansion set is played with at least one Starter Set and can then be combined with all GraviTrax products.
8 years +
