Answer:
I get thrown in the air and will fall down. I get thrown down and I will rise in the air. What am I?
I am black and white and full of fuzz
What has no beginning, end, or middle?
I hide in a dark tunnel awaiting my time. I can only be released by pulling back. Once released I may do unstoppable damage.
I go up and never come down no matter how hard you wish. As I get higher, more wrinkles crawl on to the face. What am I?
Of these things - I have two. One for me - and one for you. And when you ask about the price I simply smile and nod twice.