Sunnats when a child is born

10. The child should be taught how to perform Salaah and the other aspects of Deen when he reaches the age of seven years. (Mishkaat pg.58 vol.1)

11.  In order to inculcate the habit of Salaah, the child should be admonished if he is negligent in its performance when he reaches the age of ten years. He should be punished if the need arises. (Mishkaat pg.58 vol.1)