Tomy Company developed the world's smallest humanoid robot called I-SOBOT Omnibot 17?. It has gyro-sensors for balance, infrared remote-control unit, and four modes of operation.
Takara Tomy of Japan developed a bipedal called ROBO-Q. It is the world's smallest walking humanoid, and can be programmed to solve mazes and play soccer with other robots.
I-Sobot Omnibot 17?
