GraviTrax POWER Switch & Trigger — Radio-Controlled Direction Switch (Ages 8+)

Automatically shift your marble’s path with the GraviTrax POWER Trigger and Switch. When a marble passes through the Trigger it signals the Switch via RF waves to change the direction the next marble takes, enabling handsfree routing and more complex tracks. Comes with instructions, 1 Trigger and 1 Switch. Requires 3 AAA batteries (not included). Designed to expand and add automation to your GraviTrax Starter-Set.