parrotlet pair

My parrotlet babies- l to r Indigo (m) and Sparkle (f)

Hey so I'm going to be getting a parrotlet hopefully this weekend or next :) I have a couple choices though. There is a 2 month old male that will be available Tuesday, a 6 month old female, and. 10 month old pair. I can't decide which would be best for me. I want to get one (or the pair) that...