Answer:
I am mother and father, but never birth or nurse. I'm rarely still, but I never wander.
What points the way without a hand. It floats on water but exists on land?
You need a key to receive an answer from me. The answer you'll find is straight from your mind. What is it?
I bubble and laugh and spit water in your face. I am no lady, and I don't wear lace.
As I walked along the path I saw something with four fingers and one thumb, but it was not flesh, fish, bone or fowl.
As round as an apple. As deep as a cup. All the king's horses can't pull it up.