Scarlet Chested Grass Parakeets

I have 2 young ones that are just at the 3 month age, So they are just starting to color up. Not sure on the sexes that I have yet. I also have one new one that is just over a month old. Hasn't even fledged the box yet. I'm asking $150.each. They are in a large aviary so are used to having room to fly. very peaceful and gorgeous. They share the aviary with a variety of others, never causing any issues.