Answer:
I have a face but no eyes hands but no arms.
I belong to everyone. Sometimes make you happy sometimes make you sad. I will never end until the day you do.
I am lighter than air but a hundred people cannot lift me. Careful! I am fragile!
A piece of paper that takes most people 3 or 4 years to get.
I am a key that is playful. What am I?
What did the piece of wood say when he saw the screwdriver and screws approaching?