Wayne Dobson's SPECTRUM The genius that is Wayne Dobson has created a colour changing back packet effect that's ideal for any close up performing situation. Nothing in card magic has more visual impact than a colour changi ng back plot. Effect Four of a kind are shown to have red backs. Two of the cards are placed in your spectator's hand. One at a time the cards you are holding change back colour, then the same happens to the cards that are held by your spectator! You are now left with four cards each with a completely different back colour. You will not believe how easy Spectrum is to perform and how much impact it has on your spectators. Spectrum is an effect you will put straight into your act! | 
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