How BB-8 Works 🤔

To make BB-8 roll, a central motor drives two rods attached to the robot's shell, and a rotating gear makes the whole thing turn left and right. At the bottom, a heavy weight keeps the motor upright, balancing him as he moves. Between the wheels, a special rig holds up his internal neck, which is fitted with powerful magnets. When he needs to look at other actors, these magnets pull his head along the shell, magnets. When he needs to look at other actors, these magnets pull his head along the shell,

making it move in any direction on set.