Shock Twist by Gary Jones and Magic Tao - TrickThe effect is incredibly simple and VISUAL Just the way magic should be! Four blue backed cards are shown and one by one they turn face up, then with a snap of the fingers the backs change to multi coloured. Incredibly visual & stunning. Very easy to do. Instantly reset! "This is one you just have to have I promise you, you won't regret it!" Gary Jones and Magic Tao " the best packet trick ever" Chris Webb