Enigmatixs – The National Museum of Computing

£16
Product description from their website:
The Enigmatix is a single wheel poly-alphabetic encryption system that allows you to encipher your own messages in a similar but less complex way to the original Enigma.
Learn how to encipher a message with this handmade Enigmatix Wheel and Instruction Booklet. The Enigmatix Wheel also comes with a free 3D printed Bombe Keyring. Enigmatix Wheels are available in either laser-cut Balsa wood or as a plastic 3D printed version. Please choose your material below.