Your child asks you about masturbation. It feels good. An other child may have talked about it. Both males and females masturbate. Some boys and girls never masturbate.
Masturbation is often the first way a person knows sexual pleasure.
Masturbation does not cause physical or mental harm. Many men and women masturbate through their adult life. In some religions, masturbation is not accepted. Young people often talk about and joke about masturbation. Many adults got negative messages about masturbation while they were growing up - and this sometimes has led to negative feelings about their sexuality as adults.