GRAVITRAX: The popular STEM toy for boys and girls ages 8 and up - over 6 million sold worldwide
WHAT YOU GET: GraviTrax Obstacle Course Set comes with 153 pieces - all elements in the GraviTrax Starter Set, plus 5 additional expansions including the Trampoline, Transfer, Spiral, Zipline and Bridges.
BUILD HIGHER: Use the height tile towers, balconies, walls and high-speed tracks to take your tracks to new heights
INNOVATIVE: The GraviTrax interactive track system allows you to design and build your own race tracks and experiment with gravity, magnetism, and kinetics to propel your marbles to the finish
