Answer:
I have 24 keys but cannot open any locks. Sometimes loud, sometimes soft. What am I?
I am a key that is playful. What am I?
I lose my head in the morning and regain back it at night.
I look at you, you look at me. I raise my right, you raise your left. What am I?
I have two bodies joined together as one. When standing still, I run and run. What am I?
What gift should you give blind people, drunks, and nerds for Christmas?