Sometimes I think the best way to take care of them is to teach them to take care of others: Littler kids, sick or disabled, those who’ve been left out.
5-7
Kitchen Commandment: She who cooks the dinner shall not clean up from dinner. I don't want to raise any of you to take housework for granted. It's hard. It's unfair and not cool to expect anyone (parent, spouse, roommate, etc. )to wait on you.
7-18
Check out fencing. Local fencing club has classes for kids and adults all ages. They also do birthday parties, so that might be something different that would be fun for him and his friends.
10
Have them sort change, and eventually to count it. It teaches them to gather things that are alike, it's an introduction to money and it occupies them for 15 minutes! Just make sure they're old enough to be past the point of putting coins in their mouth.
3-5