Answer:
Pirates put their booty in it.
Turns us on our backs, and open up our stomachs. You will be the wisest of men though at start a lummox.
As round as an apple. As deep as a cup. All the king's horses can't pull it up.
Large as a mountain, small as a pea, Endlessly swimming in a water-less sea.
What can bring back the dead. Make us cry, make us laugh, make us young. Born in an instant yet lasts a life time?
When is it bad luck to see a black cat?