dropping and exclamations of “Whoa!” as I demoed the effects, so I knew I’d hit on something really deceptive.
In one effect, the Ace, 2, 3 and 4 first turn face up, then, one by one, they all turn face down. Counted again, each one appears face-up in turn, while the others remain face-down. Then they all turn face up instantly. The backs turn from blue to white to green to red then back to blue, their original color (and yes, the spectator can examine the packet).
In another effect, the four Kings and four Aces are shown. The Aces are placed face down on the table, the face-up Kings remain in the hands. The Kings turn face down one by one, then turn into