Insane in the membrane, Insane in the ...

 Take an egg. Give it the diecast treatment. Put a little bit of arms, a little bit of legs and a revolving "eye" function and voilá... you got a robot. Not hard (boiled) really... OK, sorry for the pun. Was this thing capitalizing on the fame of Robocon and the likes ? Sure. But why not go along with a design that has proven itself before...

Brain III, Shinsei Kogyo Co. Ltd., Hong Kong, 1970's