Nontransitive Dice

You can build a set of dice where A beats B, B beats C, and C beats A — like rock-paper-scissors wearing a math costume. Let your opponent pick first.

Why we kept this

Let them pick first — that's the whole trick, and it still feels like cheating even after you understand why it works.

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If you liked that

• An interactive lesson on why people betray each other
• Kaprekar's Constant
• The One-Sided Surface
• The Pigeonhole Principle
• Conway's Game of Life

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