PISTON ROBOT - YONEZAWA - JAPAN
Black plastic battery operated robot with pistons in chest. Large red plastic visor face. Visible engine pistons in chest. This was also released in a blue version in a green Japanese market box. See also the Yonezawa Piston Robot with Missiles that shares the same body shape. 1981 molded into the back.
The influence of Metal House/SH is evident in the styling of this robot.