Answer:
A caribbean shape that makes ships disappear
I move without wings, Between silken string, I leave as you find, My substance behind.
I don't think or eat or slumber. Or move around or fear thunder. Just like you I look the same but I can't harm you or be your bane.
The man who invented it doesn't want it. The man who bought it doesn't need it. The man who needs it doesn't know it. What is it?
I can be written, I can be spoken, I can be exposed, I can be broken.
If lightning strikes an orchestra who is the one most likely to get hit?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?