The RB5X is a personal robot manufactured by RB Robot Corporation of Golden, Colorado.
A cylinder-shaped robot with an optional arm, and a transparent, dome-shaped top, RB5X has an RS-232 communications interface and is programmable in TinyBASIC or Savvy. It was first released circa 1983. Its inputs include eight bumper panels, a photodiode and a sonic transducer. The robot learns from experience.
The robot was often given away as a prize on the video game based game show Starcade.
References
RB5X Wikipedia(Text) CC BY-SA