Gravitrax Starter Set – Endless Fun for 8+ Kids

Discover the endless possibilities of designing and building your own race tracks with the innovative GraviTrax marble run. Experiment with gravity, magnetism, and kinetics to propel your ball to the finish using over 100 pieces and 18 construction elements. This STEM toy offers educational and science play for boys and girls ages 8 and up. The GraviTrax interactive track system has sold over 15.5 million units worldwide and is the No.1 marble run system in the U.S. It’s also compatible with all GraviTrax systems, allowing you to easily extend play time. Give the gift of creativity and endless fun with GraviTrax.