One toy that has not changed a bit is the hula hoop. There’s nothing you can do to innovate it. It’s simply a round circle of plastic that comes in various colors. Pretty basic, and it has never changed.
When I was a kid, everyone had a hula hoop in the neighborhood. Occasionally we would gather all the kids together on the block and have a contest to see who could hula the longest to be the hula hoop champion. I must confess: I was not very good at it and never won the championship. It always seemed to be the girl from down the street who was in dance class and could just go on forever without any effort. But hey, it brought everyone together for lots of fun and laughter. Oh yeah, and it was “groovy” and we wore bell bottoms. {more}