Answer:
Come up and we go, Go down and we stay.
What is the end of everything?
What gets wetter and wetter the more it dries?
The little pink nub that helps rectify mistakes.
What has to be broken before you can use it?
Two little holes in the side of a hill. Just as you come to the cherry-red mill.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?