Answer:
What bone has a sense of humor?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.
We are little airy creatures all of different voice and features one of us in glass is set. One of us you'll find in jet. Another you may see in tin. And the fourth a box within. If the fifth you should pursue it can never fly from you.
I bring light to a dark world. In a current I travel and through tunnels I am hurled. Touch me and I'll kill you. What am I?
I am partially baked. I am not completely lit. I am a portion of the moon. I am lesser than full wit. I am a divider of the hour. I am not a total lie. I am a sibling through one parent.
When I'm born I fly. When I'm alive I lay. When I'm dead I run.