Answer:
When set loose I fly away. Never so cursed as when I go astray.
There are several different kinds, but the one you pick doesn't do its job. What is it?
The moon is my father. The sea is my mother. I have a million brothers. I die when I reach land
It's equally comfortable in an orchestra and a geometry textbook. What is it?
The itsy bitsy teeny weeny yellow polka dot variety is quite popular.
Break me and I am better immediately set and harder to be broken again.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?