Use the code wheel to write and decipher secret codes
Learn how to write four different types of secret messages with code and ciphers
Packed in durable metal tin

Exchange confidential messages with your fellow agent using disappearing and reappearing ink that only the two of you can read! Using either of the two secret pens, you can write a message that, once dry, becomes invisible. The other pen will not only rev

To use fingerprint evidence, the prints need to be made visible, collected, and analyzed. In this kit, you will find everything you need to develop and lift a fingerprint, just like a real detective.

Dust for fingerprints and identify your suspects
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