Description
[GraviTrax: Obstacle Starter Set] Find your way across the marble run of your wildest imagination with the “GraviTrax Obstacle Starter-Set”! This set includes 153 pieces to lend a hand build your Marble run.
[INNOVATIVE] The GraviTrax interactive track system permits you to design and build your individual race tracks and experiment with gravity, magnetism, kinetics
[STEM TOY] Girls and boys ages 8 and up can revel in educational and science play. The franchise has sold over 15.5 million units around the globe and has ranked as the No.1 marble run system within the U.S., in step with the NPD Group.
[COMPATIBLE] Easily extend play time – All sets are compatible and functional with all GraviTrax systems
[GREAT GIFT] GraviTrax is an a ideal holiday and birthday gift for creative, curious kids and adults who like to build.
