What's this?
It's a clock.
What's this?
It's a book.
What's this?
It's a room.
What's this?
It's a table.
What's this?
It's a wall.
What's this?
It's a pen.
What's this?
It's a pencil.
What's this?
It's a window.
What's this?
It's a picture.
What's this?
It's a ceiling.
What's this?
It's a floor.
What's this?
It's light.
What's this?
It's a door.