Answer:
Before I grow I'm small. When I'm old I grow tall. When I die I give a mighty fall.
What is easy to get into but hard to get out of?
I am the best thing that can happen after a stick hits a ball.
I sleep by day, I fly by night. I have no feathers to aid my flight. What am I?
I regularly change shape yet remain a sphere. I am always there but not often seen. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.