Expo 2005 Aichi, Robot Project

In 2001, by combining the industrial robot technologies it had accumulated with automobile control technologies and state-of-the-art IT technologies, Toyota established its robot project, aiming to demonstrate the robots at Expo 2005 Aichi, Japan. For the expo, Toyota developed music-playing robots to entertain visitors.

Rolling Model


High-speed movement, nimble change of direction and quick arm movements.


  • Music-playing robot

Under development as a robot that uses tools. At Expo 2005 Aichi, this robot played the drums and the tuba.

  • DJ robot

Under development as a robot that communicated with people. Designed for manufacturing and mobility applications.


Replicated the vibration of human lips. Has the ability of human fingers to operate the valves on a musical instrument.


The robots are meant to express the Japanese spirit of "wa" or harmony, and the ideal of hospitality that underpins Japanese culture. The design of the lightweight, slim-body robots applied cutting edge technology and focused on a finely tuned form, with a pleasant expression that would express kindness and friendliness.


  Tuba Trombone Horn Drum DJ robot
Height(mm) 1,000 1,000 1,000 1,000 1,000
Weight(kg)* 50 45 55 65 45
Degree of joint freedom of movement 11 11 20 16 21
*includes the weight of the musical instrument