... but what? have you a question for us?

whats the person is trying to figure out is what is the most profesional way to answer this question when appling for a job at a daycare...

Kids are wonderful but

But they need a lot of attention and energy spent on them, I think!

I think you would like us to continue this sentence with our own thoughts?

they can be naughty

Children are really wonderful, but I think that it is not easy for adults to bring them up. And that is why I think that it is important for all the adults to have their understanding about the way to communicate with the children in their family and not only.