I think kids are fairly similar. It's just really the technology. Like, you won't find kids in the 60s, or anyone for that matter, having mobile phones, texting, watching YouTube, and being absorbed in their technology.
I started taking lessons in third grade because I thought it was a fun thing to do. Through my acting teacher, I got my manager. That was about 5th grade. So once that happened it kind of clicked that I probably should pursue acting as a career...