It takes awhile to get them socialized. Yours are very young still. I picked my little ones up several times a day to check for pasty butt, and to remove them from the brooder to clean it at that age, they weren't always thrilled with that. I did give them treats, just little something most days that really helped them not be concerned when I was around, and actually get excited. I have 12, 5 different breeds and they are 3 months now, and they all come running when they see the little bowl of treats in my hand. I can pick all but two Americuanas up any day wihtout much hassle. Having them associating you with treats really helps!
They are definately more docile in the evening! I can get even those two that rather not get picked up and they don't even make a fuss. They are really coming around too from doing that too.