The World’s Smallest Magic 8 Ball is a miniaturized version of the classic clairvoyant toy! Ask the ball a yes-no question, give it a shake + read your fortune through the ethereal blue window. Will I win the lottery? ASK AGAIN. Do Magic 8 balls really work? FOR SURE. Is this the coolest, smallest version ever? YES. Are you going to pass this up? NOT LIKELY. The World’s Smallest Magic 8 Ball is .75 inches round.