Taught my boy to play connect 4. Had to start paying attention to by the time he was 7, by now (10) he is a challenge to beat, often just draw.
I have to try to win chess now also. It is great.
My 11yo nephew is a challenge to beat in chess, I think I'll probably not win next time we play.
My 7yo can read music, I can't.... It is the way of the world.