Answer:
I break down buildings, I crumble mountains but you can't see me. What am I?
I always have to work with something in my eye. What am I?
I go through a door but never go in, and never come out. What am I?
I take off my clothes when you put on your clothes. I put on my clothes when you take off your clothes. What am I?
I run smoother than any rhyme, I love to fall but cannot climb. What am I?
Why is the letter B always cool?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic