What happens if there's a whole horde of them, and you want no part of it but they insist it has to be done in your house?
It concerns parental survival in what is called "the terrible twos" when children are fearlessly pushing the boundaries, i.e. just plain acting up.
Ignore them.
Reacting at all, whether positively or negatively, encourages a repeat performance. No reaction at all lets him know that he cannot manipulate you.