Answer:
What can you catch but not throw?
Fashions change, but what can a person wear that is never out of style?
What goes through towns and over hills but never moves?
I am a mini solar powered computer
I am round as an apple, deep as a cup. All the King's horses can't pull me up. What am I?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.