Answer:
What goes through towns and over hills but never moves?
They are many and one, they wave and they drum, used to cover a stare, they go with you everywhere.
I have three eyes and only one leg. Obey me or you will be sorry.
I am the minerals vital for your good health.
While you were folding a letter you got me. Usually you will do whatever it takes to avoid me but now you can't help but find me.
The answer I give is yes, but what I mean is no. What was the question?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic