What's this?
It's a pen.
What's this?
It's a pencil
What's this?
It's a backpack
What's this?
It's a book
What's this?
It's a crayon
What's this?
It's a marker pen
What's this?
It's a desk
What's this?
It's a rubber
What's this?
It's a ruler
What's this?
It's a chair
