GIANT ROBOT aka R ROBOT - BANDAI - JAPAN
Large red and grey plastic remote control battery operated robot. Black head with red eyes and a wide clear plastic mouth. The robot has a distinctive R in a circle on its chest.
Backward and forward motion. Advances with arms rising and falling while the eyes light and the robot emits a loud click. Limited steering action via the remote control. 34cm 14"
First sighting is in the 1970 Sears Catalog. Sold as a"Sears Exclusive"