Answer:
I am whole but incomplete. I have no eyes, yet I see. You can see, and see right through me. My largest part is one fourth of what I once was.
What has a head, a tail, is brown, and has no legs?
They can float and tickle, but their sound is rarely heard unless you're a pillow or bird. What are they?
Who works when he plays and plays when he works?
Runs smoother than any rhyme, loves to fall but cannot climb!
What did the piece of wood say when he saw the screwdriver and screws approaching?