Pi Revelations | David Penn Menny and when all five decks

and when all five decks are lined up

ask them to choose one card at random from the deck and sign on it

Obie O'Brien and more

Easy marking system but completely invisible for layman

Pi Revelations | David Penn Menny and when all five decksAn incredible revelation of a spectator's PIN Number, Passcode, Date Of Birth or a Random Time, in a 'Dictionary Test Style' within the first fifty thousand decimals of Pi. Perfect for solo performers, double acts, live performances, or on zoom. Pi Revelations is sold with this book and a link to an indexing website allowing you to create unbelievable revelations without the need of memory work. David Penn with the kind permission of Michael Murray