Answer:
I am the heart that does not beat. If cut, I bleed without blood. I can fly, but have no wings. I can float, but have no fins. I can sing, but have no mouth.
The person who makes it has no need for it. The person who purchases it does not use it. The person who does use it does not know he or she is. What is it?
When the horse strokes the cat, the wood begins to sing.
Only two backbones and thousands of ribs.
I am mother and father, but never birth or nurse. I'm rarely still, but I never wander.
What language does a billboard speak?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?