The SPECTRUM deck is not a trick. It's a UNIQUE and BEAUTIFUL deck of cards which CAN be used in many magic effects.
The SPECTRUM deck is the worlds only official Tally Ho® rainbow deck! What does that mean exactly? 54 Cards, 1 Back Design, 54 different colored backs
The cards are manufactured by U.S. Playing Card Company, on high quality stock with the "Linoid Finish". Custom Jokers and a custom Ace of Spades have been designed for this deck as well and yes, there is a built in "reveal"!