Looking for trade more than sale!

We have two one year old southern flying squirrels and we'd love to trade them for a baby! Our baby girl is about to be born and we'd love to get a baby flying squirrel to raise alongside her and have bond better to her. Our current squirrels are sweet and well behaved but aren't fully bonded to us. The pair is a male and a female! We got them at 6-months old and we tried having them bond but it hasn't been fully successful. They'll eat out of our hands and let us pet them, but won't hang on us, just jump off of us.

Will consider selling, however a baby is what we really want!