GraviTrax is an interactive marble track system for ages 8 and up: With GraviTrax, you can not only build simple marble runs, but create entire marble run worlds. With 180 building elements and action stones, such as the Jumper and Magnetic Cannon, the GraviTrax Starter-Set Race creates an exciting race of the marbles - the ideal introduction to the world of the interactive marble run, can be combined with all sets. The included construction plans make it easy to get started, after that there are no limits to creativity: Through various extensions, you can enlarge your marble run and redesign it again and again - long-lasting fun guaranteed.
