Show an indifferent card (say, the 10 of Clubs), and show the four Jacks. One by one, each Jack changes into the 10 of Clubs, until the entire group of 4 Jacks are now the 10 of Clubs! THEN, for the KICKER, they all turn back into the Jacks once again! What happened to the 10 of Clubs? It's on the table!
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