Shift the direction of your marble run automatically with the “GraviTrax POWER Element Switch and Trigger” and take the path to exceptional fun!

Control your marble’s path like never before — handsfree! As a marble passes through, the POWER Trigger signals the POWER Switch via radio (RF) waves to shift the direction the next marble takes along your track! Power up the possibilities and build even more complex marble runs! Makes an excellent addition to your existing Starter-Set; completely compatible with GraviTrax components for continuous fun. GraviTrax is an ideal birthday or holiday gift for creative kids and future engineers!