AA  6-8 yr olds – This is a machine-pitch level.  Outs are counted, and while the score is not counted, an inning will end after 5 runs.

AAA  9-11 yr olds – Competitive level, all player pitch and all players must try out

Majors 10-12 yr olds – Competitive level, all player pitch and all players must try out

Intermediate 13-14 yr olds – Juniors  60 foot pitching mound and 90 foot base paths

Seniors 13-16 yr olds – 60/90 level here, 60 foot pitching mound and 90 foot base paths

Little League age calculator