After my neighbor went and got one, my 4 yo begged for one. I figured it would be good exercise, so I got her one. It didn't take her long to figure it out. My son, who is nervous about balancing on two wheels, saw my daughter having so much fun, he tried it out and they both fought over it. So, I had to go out and buy one the same day. Okay, I didn't have to, but it's worth it to see my kids want to go out and get some physical activity.