MINIROBOT - TOMY - JAPAN
This is the original version of a much copied robot. The small wind up robot has a single piece head and body with little arms attached. Grey stepover feet. Several color variations. Mini Robot
See also the Geeta-Man, Rays Miniature Robot and Mighty Midget versions.
The yellow version is marked KENT and has a bigger box.
The earliest sighting is in a Japanese trade catalogue for 1965.