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The Osaka Demonstration Robot by Arata Isozaki consists of a head, body, base and two arms of different lengths. The head contains two control rooms. In the first ambiant data is collected and processed, and then transmitted to the main control room from which the robot receives instructions to respond by emitting smoke, smell, light, and sounds. The body of the robot can rise up to a height of twenty-four feet. When the body is up, the base becomes a stage and it is then possible for the body of the robot to go through a repertoire of movements. [Reichardt: Robots: Fact, Fiction, Prediction]

The entertainment robot was housed under Kenzo Tange's Festival Plaza space frame.

Above – Modern models and 3D drawings.

Aerial view of model for public entertainment area, Theme Pavillion, Expo 70, Osaka.

The 7ft tall, blue robot appeared in the Fujipan pavillion at Expo'70, Osaka, Japan.  The robot display for the Fujipan pavillion was designed by Jiro's partner Osamu Tezuka (the creator of Astro Boy) so most likely the robot was, at least, from their Institute of Juvenile Culture. The robot itself is probably an Aizawa robot.  

A display of robot models showing which robots were included by Tezuka in the Fujipan pavillion.

See the full Jiro Aizawa story here .

I don't know what this robot does.

There's a large slot in the front and speakers – maybe it is a record player?

Robot after restoration at the Kanagawa Institute of Technology in Japan in 2008. Image by "Robot".

The Robot with his brothers in the Nagoya Robot Museum.

The Robot Museum closed 31 September, 2007.

See the full Jiro Aizawa story here .

Restoration at the Kanagawa Institute of Technology in Japan in 2008.

Blue stamping robot with his brothers in the Nagoya Robot Museum.

The Robot Museum closed 31 September, 2007.

Both Stamping robots after restoration at the Kanagawa Institute of Technology in Japan in 2008. Image by "Robot".

See the full Jiro Aizawa story here .

Mr. Saburo after restoration at the Kanagawa Institute of Technology in Japan.

The caption from a 2010 Japanese catalogue reads (after translation): Three mid-size robot brothers Fujio [富士夫], Saburo [三郎], Kuro [九郎].  These robots look very similar.  The middle robot is the same as the one in the top photo, although the above image calls it Saburo.  I'll continue to call this robot Fugio. Hopefully some further evidence will show up soon to prove it one way or another.

Mr. Saburo in the background with his brothers in the Nagoya Robot Museum.

The Robot Museum closed 31 September, 2007.

Mr. Saburo on the far left.

Mr. Saburo in the background.

See the full Jiro Aizawa story here .