Blue Illusion (Gimmick and Online Instructions) by Yarden Aviv and Mark Mason - Trick Close-Up Magic and then go on to

and then go on to something else

and now that they're coming in the form of 2 shiny new sets of playing cards

the performer can reveal (or predict) a plethora of merely thought-of words

To give you an example of the items it can hold

Blue Illusion (Gimmick and Online Instructions) by Yarden Aviv and Mark Mason - Trick Close-Up Magic and then go on toYour browser does not support the video tag. "Shut up and take my money." Eric Jones "Shut up and take my money." Eric Jones BLUE ILLUSION IS AN EYE POPPING MOMENT OF MAGIC, WITH NO COVER. "I must say that this looks so good. It is by far the cleanest ALL AROUND color changing card box I have ever seen." Mark Mason A BLUE Bicycle card box is picked up off your table. It is shown to your audience in the fairest possible manner; no cover of any kind.