Answer:
What goes in the water black and comes out red?
The strangest creature you'll ever find has two eyes in front and a hundred behind.
I am the tool, for inspiring many. Buy me in the store, for not much more than a penny. Don't overuse me, or my usefulness will go.
I am round as a bowl, deep as a tub, but all the world's water couldn't fill me up.
Until I am measured I am not known, Yet how you miss me when I have flown.
I have two eyes in the front and a lot of eyes on my tail
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?