Mental Telepathy Cards (Color) by Chazpro Magic - Trick7 Color Telepathy Card Set. The spectators can turn over one card, then conceal all the cards in the envelopes and mix them so even they don't know where their color choice is located. The performer can tell immediately. A real fooler that can be repeated, and all items can be thoroughly examined. Telepathy Cards are based on a diabolical principle credited to Bob Fillman and Tan Hock Chuan. Briefly: 7 ungaffed envelopes are shown, each with an