Atheist parents face a host of special challenges and problems, including harassment of their children by schoolmates or other children; interference by neighbors or other family members in their children's religious upbringing; limited educational options; and the belief that atheists are incapable of raising children with moral values. 

If you are raising children without superstitions and mythology, read this interesting article on the subject. You'll want to visit the Atheist Parents  website often. Parents and kids can discuss issues here.