The 2003 model of the Entertainment Robot "AIBO." Showing a mastery of modeling design, the developers created a rounded body based on a spherical motif, finding a balance between cute and cool. Thanks to a variety of sensors, this "AIBO" had sophisticated image recognition and expression of a wide range of emotions. Not only capable of learning and growing, the robot could react when petted. LEDs equipped with static electricity sensors made it possible. This model marked further advances in creating a robot that made a good companion to its master.