With the GraviTrax interactive track system, you can design and build your own race tracks, and experiment with gravity, magnetism and kinetics to propel your marble to the finish. The open-ended building concept offers endless possibilities, to design a different track every time you play. Add speed and flair to your tracks with expansion sets and action accessories for endless hours of fun both young and old will enjoy! 

GraviTrax goes vertical! With 149 elements that include unique components, this set offers everything you need to begin building your own vertical action-packed track systems. Build with walls, pillars and balconies that can be attached together to form three-dimensional structures. The elements can be integrated seamlessly with existing GraviTrax sets, allowing you to create more dynamic marble runs. Ages 8 and up.