you find all the aces and fing a 5 anything. put the five on top of the for aces uspide down. put the five cards on bottom. now have some one pick a card try not to let em choose from the bottom. once they have their card tell them not to let you see it. the tell them to put it on the top. split the deck and stick the bottom part on top. Now say I am looking for a magic marcker card... find the Upside down card. dont lose your place in the deck. count five cards (four of them are aces) from under neat the 5 card. thenthe last card that you pick(the one after the 4th ace s their card. Ask Is THIS your Card. They should Reply Yes! or something like that.... DONT TELL THEM THE SECRET!!