Answer:
I can only be played on a windy day
I am lighter than air, but a hundred people cannot lift me. Careful, I am fragile. What am I?
I am the tool for inspiring many. Buy me in the store for not much more than a penny. Don't overuse me, or my usefulness will go. What am I?
I'm white and used for cutting and grinding. When I'm damaged, humans usually remove or fill me. For most animals I am a useful tool. What am I?
What tastes better than it smells?
No matter how little or how much you use me, you change me every month.