What's this?
It's a blue book.
What's this?
It's a brown ruler.
What's this?
It's a green pen.
What's this?
It's a pink bag.
What's this?
It's a pink rubber.
What's this?
It's a black pencil.
What's this?
It's a blue pencil case.
What's this?
It's a white door.
What's this?
It's a yellow window.