Answer:
Words come out of it, aligned in perfect silence. A messenger of black on white, a slinky fellow drawing lines, of thin and soft graphite
What is yours but only used by others?
I am green and ugly and come out at night with a crumple old broom. Who am I?
Shorter than my four siblings, but easily the strongest, Sometimes I wear a funny hat.
It's real until the trick is revealed.
Dry though I may be, I am still a sea.
Kids
Animal
Difficult
Easy
Food
Funny
Logic
What am I?