Out of This World Magic Trick DVD and Printed Instructions http://stores.silkmagictricks.com/products/out-of-this-world-instructions-and-dvd.html ' Sorting cards by color is easy, right? What if the cards are face down? Hand this challenge off to your friends and watch their amazement when they reveal the cards to be correctly sorted. The magic may be out of your hands, but it is definitely... OUT OF THIS WORLD Any deck of playing cards can be used to perform this effect. Included: Printed instruction guide for step by step learning Teaching DVD Online learning. History In Magic: This effect is credit to: Paul Curry in 1942; "The Trick That Fooled Winston Churchill"