Answer:
Used left or right, I get to travel over cobblestone or gravel. Used up, I vie for sweet success, used down, I cause men great duress.
In the land of the green glass door there are riddles but no answers, sheets but no blankets, and books but no words. Name something found in the land of the green glass door.
I turn around once. What is out will not get in. I turn around again. What is in will not get out.
What can be swallowed, But can also swallow you?
What goes through a door but never goes in. And never comes out?
Why was the cook arrested?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?