What is "sphero"

Sphero is a spherical robot toy designed by Sphero, previously Orbotix. It is a white orb wrapped in polycarbonate plastic, capable of rolling around, and controlled by a smartphone or tablet. There are two versions of the Sphero (1.0 and 2.0). The company also makes the BB-8 toy robot based on the droid from Star Wars: The Force Awakens as well as a cylindrical toy called the Ollie, and SPRK, an essential for academics for its transparent design.