Answer:
I am often sold by children entrepreneurs in summer time
I can fly but I have no wings. I can cry but I have no eyes. Wherever I go darkness follows me.
I am lighter than the material I am made of. You see parts of me but more of me is hidden underneath.
It's been around for millions of years but is never more than a month old. What is it?
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?
When is it bad luck to see a black cat?