Answer:
Lovely and round, I shine with pale light. Grown in the darkness, a lady's delight. What am I?
With three eyes and as black as night I frequently knock down ten men with a single strike!
As a state in the USA, I am round on both sides and high in the middle. What am I?
I walk on 4 legs in the morning 2 legs at noon and 3 legs at night.
I am a little piece of paper, yet sometimes hold lots of value. I am all you need to get into big events, but will cost you. I am an important part of travel. And if lost, you're not coming. What am I?
Nothing specific, but more than a few. This many clustered, together will do.