Cubelets Battery 2.0

Play longer than ever before with the redesigned Battery Cubelet! This Cubelet provides the energy needed to make your robots spin, drive and squawk. The new Battery packs 30% more power than the previous generation and easily recharges via micro USB. This Cubelet is pre-loaded with the newest Cubelets operating system, Cubelets OS 4. Cubelets are lead free. For ages 4 and up.