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Codes and ciphers

Build a secret-code wheel

cipherwheel-200x148Writing secret messages is easy with this cipher wheel. It scrambles the alphabet so nobody can read your message except your buddy with an identical wheel.

Multi-code Machine

Multi-code MachineLearn many forms of communication including basic sign language, braille, semiphores, and more.

Morse Code Machine

Morse Code MachineLearn and practice Morse code with this online Morse code training program.