Spectator names a card only to find it has a different color back from the rest of the pack.Another spectator names a different card, but wait a minute! The deck has changed color and thesecond thought-of card has an odd colored back! Then ...the faces of the cards change from all red to all black then back to normal again! There's more! The cards are cut into two piles.One pile has all red cards except for the black selection and the other all black except for thered selection! There's still more. Turn the halves face down and one pile has all red backs and the other all blue! Take a second look: the selections' backs are the opposite color. You get a special Bicycle poker deck and illustrated instructions.