Answer:
I can be cracked made told and played.
I regularly change shape yet remain a sphere. I am always there but not often seen. What am I?
I am lighter than the material I am made of. You see parts of me but more of me is hidden underneath.
What is always in front of you but can't be seen?
I hide in a dark tunnel awaiting my time. I can only be released by pulling back. Once released I may do unstoppable damage.
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.