Answer:
What is full of holes but still holds water?
I work when I play and play when I work
I am an odd number. Take away one letter and I become even. What number am I?
I am an instrument capable of making numerous sound but cannot be touched or seen.
I don't have eyes, but once I did see. Once I had thoughts, but now I'm white and empty. What am I?
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.