What is this?
This is a sharpener.
What are these?
These are paper clips.
What is this?
This is a stapler.
What is this?
This is a roll of (sticky) tape.
What is this?
This is a eraser/rubber
What are these?
These are folders.
What are these?
These are highlighters
What is this?
This is a two-hole punch.
What are these?
These are scissors.
What are these?
These are staples.