Answer:
What is black when it is clean and white when it is dirty?
A locked sphere without hinges or key. Break me open and golden treasures you'll see
It is the transportation of choice for princesses to attend balls.
I weaken all men for hours each day. I show you strange visions while you are away. I take you by night, by day take you back. None suffer to have me, but do from my lack.
What can you blow up and keep intact?
Iām grown from darkness but shine with a pale light. Very round I am and always a lady's delight.