It was called a Cylon, it was supposed to be used in the 1950's movie The Avengers, it wasn't used and Ford used it as a promotional gimmick at the 1963 world fair.
I would imagine it still exists in some hollywood museum.
Here is "Mr. Hairy Legs." Disney's "Imagineers" were way ahead of their time. I loved the "Pirates of the Caribbean" ride and "The Enchanted Tiki Room" as a kid.
This guy was a caveman in one of the exhibits.