JAPAN circa 1965
Yonezawa's Lunar Robot is mainly plastic,with a lithographed tinplate and sports a strong wind-up mechanism, a pyramid shaped head/body with cylindrical tiny plastic eyes,moving wrench-shaped arms, and 6 lithographed gauges on the chest panel.
During operation,Lunar walks forward while sparking beneath the clear face mask and red dome in the head..(picture courtesy of Guy Antiques).
Height - 17 cm
MIOB - $425