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