Answer:
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. What am I?
You use me between your head and your toes the more I work the thinner I grow.
What is black when it's clean and white when it's dirty?
What asks but never answers?
A piece of paper that takes most people 3 or 4 years to get.
What’s a carpet’s favorite sport?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic