MR MACHINE FIRST VERSION - IDEAL - USA
A large 45cm 18" clear plastic robot with an eccentric design. Visible motor. The robot was designed to be dismantled and reassembled. Wind up action. When the toy was wound up it would roll forward swinging its arms and repeatedly ringing a bell mounted on its front. Every few steps it would emit a mechanical "Ah!". Came with a wrench and extra nuts.
The first version was released in 1961. It was later released in a simplified version.
Patent: Inventor Marvin Glass United States