Build an Enigma machine out of paper

[Jules Richardson]

On Thu, 2004-12-09 at 09:16 -0500, J.C. Wren wrote:
> I think Enigma machines meet the 10 year rule...
> 
> <URL: http://mckoss.com/Crypto/Enigma.htm >

Bletchley also do the pocket enigma, a single-rotor cardboard 'machine'
to demonstrate the principle:

https://secure.bletchleypark.org.uk/newshop/shopcategory.asp?
productcode=ENIG028

I've never paid any attention to them so can't say how good they are as
gifts, but thought it worth a mention!

cheers

Jules