Kids noses in Sims 3 are NOT right. They're not childlike noses. They're skinnier than adult counterparts, whereas kids should have cute button, rounder noses. It drives me crazy. I have to give parents wider noses just to get kids without, what I call, "beak noses." Ugly, weird, not childlike! It's hard to give them half-decent noses and they never have cute button ones. :'( I hate the beak noses! (Some adults have similar ones, too, close to the default look.)
It's easy to make/fix adults but not the kids. *sigh*
I love Sims 3 but I want Sims 5. :(
FYI, this effect I witness might have to do with mods and such I have to combat pudding in adults. I don't know. The kids never looked right, I do know.