The GraviTrax PRO Vertical Expansion Set offers 33 additional elements to reach new heights with your track. Create dynamic marble runs with walls, pillars and balconies that take your tracks to new heights. Whether you create towering three-dimensional structures or suspended tracks, see how high and clever you can build.

Combine with the GraviTrax® Starter Set and take your track to a new level. GraviTrax is a modular interactive track system where you can design and build your own marble runs.

This STEM toy for boys and girls 8 and up, encourages experimenting with gravity, magnetism, and kinetics to propel your marble to the finish. Designed with open play in mind, the concept offers endless possibilities to design a different track every time you play. Expand your builds and add some action with a variety of expansion sets and accessories.