Answer:
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?
What can you catch but not throw?
I am beautiful up in the sky. I am magical yet I cannot fly. To people I bring luck to some people riches. The boy at my end does whatever he wishes
I go in hard, come out soft. Blow me hard and I'll make a pop. What am I?
I am the kind of a tree that is carried in your hand. What am I?
No matter how little or how much you use me, you change me every month.