A cipher is a code used to protect information that is being stored or communicated, so that only people who are allowed can access it. This activity involves making a cipher wheel of your own, which you can use to encrypt and decrypt messages.

Curriculum links
Find out more
Learn more about codebreaking and the Enigma machine on the Science Museum Group Collection website.
Explore a 3D view of the Enigma machine.
Downloadable resources
SMG Learning Activities – Cipher Wheel (PDF Document)
Developed with the support of the Science Museum Group Academy’s Major Partner, MathWorks.