A secret decoder ring (or secret decoder) is a device that allows one to decode a simple substitution cipher —or to encrypt a message by working in the opposite direction.

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A secret decoder ring is a device which allows one to encrypt or decrypt a message using a simple Caeser cipher. As an example, suppose you wanted to encode the word "AWESOME".

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With this awesome gadget, you’ll crack secret codes and uncover hidden messages right inside this magazine! Make Your Decoder Ring: Adult help needed. Download and print the decoder ring below. …

A modern version of an American classic - the Secret Decoder Ring! This one can be worn on the finger. The top band rotates, revealing numbers above each letter. Encode your message by substituting …

Check each product page for other buying options. Price and other details may vary based on product size and color. Secret Decoder Ring - Super Delux Version! Decoder Ring Secret Window Silver …

Oct 24, 2013 · This utlra cool stainless steel ring uses a substitution cipher, where one letter of the alphabet is switched for another.