Answer:
I run around the city, but I never move.
What kind of running means walking?
You need a key to receive an answer from me. The answer you'll find is straight from your mind. What is it?
When the horse strokes the cat, the wood begins to sing.
The ones who see it may go blind, Contracting the fool's madness. You have to dig to find it, Crush big stones or mine it. Wash dirt clumps in a pan and wait for it to settle, A shiny, precious metal.
Break me and I am better immediately set and harder to be broken again.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?