Answer:
If you drop me I'm sure to crack. But give me a smile and I'll always smile back.
What is easy to get into, but hard to get out of?
I have no life but I can die. What am I?
I pass before the sun, yet make no shadow. I'm all around you, but you cannot see me. What am I?
What can be as big as an elephant but weighs nothing?
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.