Answer:
Everybody's got one.
What instrument can make any sound and be heard but not touched or seen?
Though I should be unique, you've made most of us the same. I would be stronger, if my characters were stranger.
What has feet on the inside but not on the outside?
You use it between your head and your toes, the more it works the thinner it grows. What is it?
A little house full of meat, no door to go in and eat.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?