Let them mix with children about their age, try to give them as much time as possible, admit them to some art work apart from studies like drawing class, put them in coaching schools of cricket, martial arts, singing, dancing etc. so that they can do this things in the week ends and be with them whenever they need you for help and support.....
Ovetrall development means building good physique, intelligence and character. Children should be encouraged for outdoor games and exercise, good reading, moving in good society and values of courtious behaviour need be encouraged. The elders have to prove themselves as ideal for their children. For example, if a father uses abusive language and smokes, children will learn the same.