http://csunplugged.org/ http://csunplugged.org/ "Computer Science Unplugged is a collection of free learning activities that teach Computer Science through eng

http://csunplugged.org/ http://csunplugged.org/ "Computer Science Unplugged is a collection of free learning activities that teach Computer Science through engaging games and puzzles that use cards, string, crayons and lots of running around." Definitely worth a mention.