Is this a book?
Yes, it is.
Is this a clock?
They are color pencils.
What is it?
It's a marker.
Is this a marker?
Yes, it is.
What is this?
It's an eraser.
What is this?
It's a pencil.
What is this?
It's a sharpener.
What is this?
It's a school bag / backpack.
What is this?
It's a clock.
Is this a pencil case?
Yes, it is.
What is this?
It's a chair.
Is this a desk?
No, it isn't.
What is this?
It's a desk.
Is this a pencil?
No, it isn't.
Is this a pen?
No, it isn't.
Is this a tablet?
No, it isn't.