If you're in the horse business, you're probably also in the kid business.
Children occupy a special place in the eyes of the law.
Dealing with the Child. For this reason, a release signed by a minor child is not binding on the child. It is voidable and the child can disavow it simply by bringing a lawsuit after being injured. In other words, its not worth the paper it is written on as a release. Just because the release is not valid as a release does not mean that you shouldn't use one when dealing with a child.