Answer:
What flies around all day but never goes anywhere?
Four of us are in your field, But our differences keep us at yield, First, a one that is no fool, Though he resembles a gardener’s tool, Next, one difficult to split in two, And a girl once had one as big as her shoe, Then, to the mind, one’s a lovely bonder, And truancy makes it grow fonder, Last, a stem connecting dots of three
You can read it both ways, I wear; One way it's a number, reversed a snare.
I turn around once. What is out will not get in. I turn around again. What is in will not get out.
What flies without wings?
What did the piece of wood say when he saw the screwdriver and screws approaching?