Muscle Bound Fred Eat your heart out Arnold Schwarzenegger! This 1960’s era "Fred Flintstone Push Button Puppet, made by Kohner Brothers of New York, is mounted on a black base with a push button underneath. Push the button and Fred attempts to "Pump You Up!" Fred and base stand approx. 4" tall. We also have a picture of the box. If you would like to see it, click here: Push Button Puppet Box