There are a number of useful publications designed to promote The Countryside Code and Open Access. There are also some educational rsources to download.
The Countryside Code Education Pack - aimed at teachers and youth group leaders
(primary school and voluntary group packs are still available, but unfortunately secondary school packs are out of print)
Code colouring sheets
for young people
Code wordsearch sheets
for young people
Original code posters
from the 1950s