Nursery Rhyme Improv

Heard from the back seat:

D1: Baa, baa, black sheep, Have you any wool?
Have you any . . . cats?
Have you any . . . cars?
Baa, baa black sheep,
Have you any . . . Uncle Dan's house?

At the lunch table:

QOC: What are little boys made of, made of? What are little boys made of?

D1: BEEEeeaaaans!