$41.95 (as of August 21, 2020, 4:51 pm)
Description Provides Energy to Power a Construction Small Power Switch for Ease Designed for Ages 4 and up The Battery Cubelet provides energy to power a construction. It coan easily be charge via a micro USB cable. You can add as many Battery Cubelets to a robot as you like to keep big robots running at their best. You’ll get best results when the Battery Cubelets are equally charged; if one has less charge, it will shut down until the higher-charge Battery Cubelets are at an equal level. Every robot needs a Battery Cubelet.