Abstract: The subject invention relates to an intelligent pet robot equipped with an electric motor which enables the pet robot to move. The pet robot, equipped further with infrared ray generators and sensors, not only can evade obstacles when it moves, but also can follow a racing track laid by a user. The pet robot, further comprising a sound sensing part, can receive sounds from a user. Since the user's sound includes clapping of the hands, the user can give instructions to the pet robot by clapping his hands as well. The pet robot comprises further a mode setting part which allows setting of a specific operation mode among various operation modes of the pet robot. In addition to the Basic mode, the operation modes may include Racing mode, Escape mode, Sing-and-run mode, Sumo-wrestling mode, and so on. Since the pet robot is endowed with a gender, either a male or a female, it is also capable of dating with other pet robot under certain conditions.

Abstract: The present invention provides a method of breeding robot pet using on-line and off-line systems simultaneously, in which digital food, ampule, or game data are downloaded from the game server through the Internet for breeding a robot pet, playing games using a robot pet, and mating a robot pet.