Resources

Decoder Wheel

Create your own cipher wheel to write secret messages. Don’t forget your key so that your fellow agent can crack it later!

Frequency Analysis

Try cracking this mathematical symbol and number based code. This activity includes helpful tips and tricks the reveal the secret message.

Speaking in Code

In addition to practicing your cipher wheel and pigpen cipher skills, learn about a secret code used by Navajo Code-Talkers during World War II.

Spy from Home: Codes and Ciphers

A SPY Educator shares fun and engaging out-of-the-box code activities to do at home! Complete a code cracking video by following along with this video.