Answer:
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.
Salty water everywhere but not sea in sight.
Neither bought nor sold but more valuable than gold. It is built but not by hand. What is it?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.
If you drop me I'm sure to crack. But give me a smile and I'll always smile back.
I always murmur but never talk. Always run but never walk. I have a bed but never sleep, have a mouth but never speak. What am I?