Code Busters Author:The Walter Foster Creative Team Crack and Create Your Own Ciphers and Secret Codes Can you talk in code? Care to take a crack at deciphering some hieroglyphics? How about making some Morse code bracelets for you and your best bud? This kit gives you the tools you need to uncover all of these covert operations--and more! Discover all there is to know about code busting, from... more » ancient alphabets to high-tech ciphers. And have a blast with the cool craft ideas and fun facts inside! Write invisible notes, create your own coat of arms, and give yourself a new code name. Before you know it, you'll be keeping secrets in codes that will baffle any snoop! This kit includes: 2 sets of super-sneaky invisible ink pens