Observa cómo se mezclan las copas y adivina cuál esconde la bola.
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The shell game (also known as the cup-and-ball trick or thimblerig) is one of the world's oldest confidence games, dating back to ancient Greece. Our digital version is 100% fair — the ball is placed randomly, the cups shuffle in plain sight, and there are no sleight-of-hand tricks. It's a great way to test your visual tracking skills at three difficulty levels.