All breeds are going to need supervision, partly for the children's sake and partly for the chicken's sake. I think more than breed how they are raised has the most effect on personality. I think silkies are very docile birds, and very good with children.
I've never shipped eggs, the problem with these are they are so broody that they hide their eggs and hatch constantly. I would really like for them to go to a breeder that has the space and can benefit from having them, even if I come out with a loss. I love these birds and I want them to go...