Answer:
I turn everything around, but I cannot move. When you see me, you see you! What am I?
I travel in a gaggle.
I'm blue at day and black at night. I do contain some creatures born and died. What am I?
People need me yet they give me away every day.
I take off my clothes when you put on your clothes. I put on my clothes when you take off your clothes. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.