Core Brick Sensor

The Core Brick Sensor (Japanese: コアレンガセンサー, Koa Renga Sensā) is a device that is used on Earth to locate all core bricks in any place. Slyger and Granox were the first Corrupted Quartonians to use this type of gadget to hunt down the Tenkai Knights.

In the Series
The Core Brick Sensor first appeared in "Elemental Knights", where Slyger was using it to find the Tenkai Knights on Earth when they were hiding in their human forms.