Meet the Sphero BOLT: another educational robotic ball with advanced sensors and a 8×8 LED matrix that displays real-time data. It lets you create games and learn coding by moving blocks on your screen or writing JavaScript code. Bolt has a waterproof shell and Bluetooth module. Thanks to its IR feature, the robot can communicate with other Bolts.
Bolt runs for over 2 hours on battery. It is available for under $150.