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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