Lawn mowers are safer today than they were 30 years ago. Still potentially dangerous. You point out to the kid: never let your feet go under there. Never reach

Lawn mowers are safer today than they were 30 years ago. Still potentially dangerous. You point out to the kid: never let your feet go under there. Never reach your hand in here. Maybe throw an apple in to illustrate the effect. They get the message. All that said, 8 might be a little young. I think I was around 10 when I started cutting the grass, but I don't really remember.