What is this?
It's a pencil.
What is this?
It's a ruler.
What is this?
It's a rubber.
What is this?
It's a bag.
What is this?
It's a pencil case.
What is this?
It's a pen.
What is this?
It's a book.
What is this?
It's a notebook.
What is this?
It's a desk.
