Every year right before Christmas, the list of dangerous toys is released. Some parents use this when contemplating what toys to buy. Here is this years list.
I'm sure I've played with these toys for hundreds of hours as a kid. I'm not exaggerating either. It may have been hundreds of hours just playing Wiffleball.
How many hours have you spent trying to solve a Rubik’s Cube? It was a big seller in the 80’s, and is still a puzzle that I still haven’t solved myself… at all.