What is it?
It's a pencil.
What is it?
It's a (white)board.
What is it?
It's a pen.
What is it?
It's a ruler.
What is it?
It's a pencil sharpener.
What are they?
They are scissors.
What is it?
It's a rubber.
What is it?
It's a (school)bag.
What is it?
It's a glue stick.
What are they?
They are crayons.
What is it?
It's a chair.
What is it?
It's a desk.
What is it?
It's a book.