What's this?
It's a ruler.
What's this?
It's a calculator.
What's this?
It's a notebook.
What's this?
It's a door.
What's this?
It's a chair.
What's this?
It's a pen.
What's this?
It's a blackboard.
What's this?
It's a pencil.
What's this?
It's a window.
What's this?
It's a dictionary.
What's this?
It's a table.
What's this?
It's a poster.