Scientific Explorer Secret Codes Decoder Kit

The POOF-Slinky 1100 Scientific Explorer Secret Codes Decoder Kit is a fun way to learn and experiment with cryptology, the science of secret messages. This item includes (2) complete spy decoder kits and contains everything you need for you and a friend to send secret coded messages just like spies and learn about the methods behind codes, ciphers and hidden messages. Special ink markers are also included for sending "invisible" letters. This safe, fun and educational kit includes (13) different missions to explore the different kinds of secret messages, recreate messaging tools long ago and use what you learn "in the field". This decoder kit also contains top-secret briefings that will give you the scoop on secret messages and how, in some cases, they have actually changed the world. This Secret Codes Decoder Kit includes (2) brass fasteners, invisible ink, developer marker, (2) sets of cipher cards, (2) sets of cipher wheels and (2) instruction manuals. Scientific Explorer is the industry leader in science kits that help develop critical thinking skills, inspire imagination and encourage exploration through interactive experiments and activities that make learning fun. The POOF-Slinky 1100 Scientific Explorer Secret Codes Decoder Kit is recommended for children 8-years of age and older.