Small starter set to get to know GraviTrax. GraviTrax GO contains everything you need to build your first ball tracks, including the Hammer action element.

Experience the marble run action of the future today with GraviTrax! This award-winning unique, marble run unlocks infinite possibilities to build entire track worlds packed with jaw-dropping excitement. And the system is endlessly expandable - so just as there are no limits to your creativity, there are no limits to GraviTrax. Challenge yourself, experiment and take the action further than you thought possible. Build beyond the usual with GraviTrax.

The GraviTrax Starter-Sets are the perfect entry into the fantastic world of marble runs. With the Extension and Elements sets you can expand your marble runs by adding additional components. Create action-packed tracks with Elements such as the Zipline and the Trampoline and get the marbles rolling with the help of magnetism, kinetics and gravity. The open-ended building concept offers endless combinations and possibilities. The GraviTrax universe includes two exciting lines – BASE and PRO. BASE is perfect for beginners and those new to GraviTrax where PRO takes the action up a level, with slightly more tricker builds.