Spy Pen
Spy Pen
An essential tool for spies of all ages, write your secret message in invisible ink and reveal its contents only by shining the UV light over it. A newly upgraded invisible ink pen with integral UV backlight in the cap.
An essential tool for spies of all ages, write your secret message in invisible ink and reveal its contents only by shining the UV light over it. A newly upgraded invisible ink pen with integral UV backlight in the cap.