Secret decoder ring

pinshape

Ever wanted to send encrypted messages to your friends with ease? Now you can, thanks to a simple decoder wheel that's easy to build using just under 2 meters of filament. All you need is a basic understanding of the Caesar cipher and you're good to go! Check out this helpful resource for more information: http://en.wikipedia.org/wiki/Caesar_cipher To assemble your decoder wheel, simply print out all three pieces and stack them together. Place the smaller ring on top of the larger one and secure it with a cap. You may need to lightly sand down the cap to ensure the inner ring moves smoothly. Remember, with this decoder wheel, you can send secret messages to your friends in no time! Just encode your message using the Caesar cipher, place it inside the wheel, and let your friend decode it easily.