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+
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Secret Codes and Ciphers
$5.17 Save:$2.00(28%)
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