Experience the spy craft
Encode and decode messages the way spies in the field have for decades. Great for spy and cryptography enthusiasts of all ages.
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Number Spies: Red Book
Encode and decode messages the way spies in the field have for decades. The Number Spies: Red Book includes 50 unique encode/decode sheets, a code book, the checkerboard and instructions on how to keep your secrets safe. Great for spy and cryptography enthusiasts of all ages.
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Great coding tools. I’ve used them myself. I would not trust my message encoding and decoding to anyone other than Number Spies.