Answer:
What turns everything around but does not move?
Just head and foot yet never tires of dancing.
My second is performed by my first, and it is thought a thief by the marks of my whole might be caught.
You need a key to receive an answer from me. The answer you'll find is straight from your mind. What is it?
What goes in, but never through? I've got some and so do you. We might lend one, or even two, but only if our trust is true.
When is it bad luck to see a black cat?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?