Simple Skates
Skating, believe it or not, is a relatively new sport. Back in the day, people used to have these things to ride around on as a skateboard. It wasn't very sturdy, or easy to ride, or pretty, but at least it got boomers from point A to point B in one piece!
Dangerous Toys
Toys have calmed down quite a bit in recent years. No longer are kids opening up BB guns on Christmas Day. Instead, they're more likely to get LEGO blocks or something more age-appropriate. This is one change that's surely for the better...