Answer:
I am a ship that can be made to ride the greatest waves. I am not built by objects, but built by minds. What am I?
What kind of band never plays music?
When you take away the whole from me there is always some left.
I have wheels and flies yet I am not an aircraft.
I'm tall I'm round and hollow Seems to get chewed a bit But you'll rarely see me unless the other end is lit.
No matter how little or how much you use me, you change me every month.