Training children to play hard, since a child.Disagree, because the child's age, personal growth in body and mind, so training exercise very much. For long time may get hurt the body. And mentally, its become long-term damage to the child.Or exercise for health.It should not be repeated often children play or a long time, should a variety of play to ฝึกให้ children exercise, arms, legs, and agility. Better to overdo sports hard.Sport is a medicine that helps the body healthy. Don't make the sport is a poison harm to our body.