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This motorized replica of the headstrong little "droid" from the iconic Star Wars films responds to voice commands, navigates rooms and hallways, and makes any home feel like it has been transported to a galaxy far, far away. R2 obeys more than 40 voice commands ("Turn around!," "Move forward two units!") and he plays games like tag, using an infrared sensor to search for people in a room. His sensor helps him follow behind you, or it can be set to detect motion, turning R2 into a room sentry that sounds an alarm when a secured area is invaded.