Mother and Child Card Trick
THE EFFECT: A spectator selects a card and it's returned to the deck. The magician shuffles and cuts the deck then asks the spectator if their card is a big card.
The spectator say yes, but the magician insists it is a small card. By riffling the deck one card pops out, it is the spectators card but it has been miniaturized!
THE SECRET: Watch and learn the secret below.