21 Card Trick

2 Jul 2023

Node.js React Vercel

Remaking classic 21-card magic trick into website. Pick a number between 1 to 21 and choose a pile that your number includes for 3 times and it'll guess your number.

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Feature

  1. Think of a number between 1 and 21.
  2. And choose a card that your number includes.
  3. Choose it again for two more times.
  4. Voilà, it'll guess your number correctly everytime.

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Links


©zsphinx2026