Answer:
What kind of room doesn't have physical walls?
You use it between your head and your toes, the more it works the thinner it grows. What is it?
The more you take, the more you leave behind. What are they?
I go around in circles, But always straight ahead Never complain, No matter where I am led.
Lots of them make up a word, And lots of words are in them. It's easy when you think about it. A while ago we stamped and mailed them.
People take me on walks and I run and have fun. What am I?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?