Answer:
Five hundred begins it, five hundred ends it. Five in the middle is seen. First of all figures, the first of all letters. Take up their stations between. Join all together, and then you will bring before you the name of an eminent king.
Runs smoother than any rhyme, loves to fall but cannot climb!
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.
The man who made it didn't need it. The man who bought it didn't use it. The man who used it didn't want it.
What is that you will break everytime you name it?
I have two eyes in the front and a lot of eyes on my tail