I had a Roc-em Soc-em Robots.
Anyone remember those?
Played it so much that it got to the point where if you barely bumped the thing, one of the heads sometimes both heads would pop up.
I was a GI Joe kid, the 12" action figure, Adventure team, etc. Hung onto most of it until I sold it when I was out of work 2002-2004. Made some decent bucks on that stuff...