A wonderful set of wipe-clean activity cards for aspiring code-breakers! Includes Semaphore and Morse code, "Grid code" used in the American Civil War, Egyptian hieroglyphics and traditional number replacement and alphabet switching codes. Each card contains information about the code, an explanation of how it works and fun coding activities. Includes a special pen to write on the cards.
This is Book 3 in the Activity Cards Series. See all Activity Cards books here.
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Emily Bone is a published author of children's books. She has published Cowboy Things to Make and Do and 50 Secret Codes.
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