Secret Codes and Ciphers

Learning Express Toys & Gifts - Frisco TX Verified independent store

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Learn about different types of codes and ciphers that have been used throughout history--and how you can use them in your own investigations! Includes materials to teach you how to encrypt and decrypt messages using a cipher disk and polybius square as well as how to send messages through knots in rope or by writing special symbols with chalk. Ages 8+ Show more