Magnetic 8 Ball by David Penn & TCC- TrickDumping out a solid eight ball from a card box or pen cap to reveal a black 8 playing card never fails to surprise the audience. David Penn has always been fond of the eight ball production, originally from a John Bannon effect, and has featured different versions in his previous DVDs. However, he has never found an ideal holder for the eight ball. Traditional ball holders can cause damage to clothing, and putting it in your pocket is not a clean