just born
You jump on a trampoline while playing basketball.
Slamball was created in 2002.
40+, Rugby League is a highly contact and lot's of impact. I don't think 40+ will handle the amount of power.
When you start doubting if you should play with them or not. Hint: Probably about now if you're the one playing with them. You will keep one or several of the dolls for years, perhaps a lifetime,...
maplestory is for any age :D except under 10 or under 11