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. Invisible ink pen has integral UV backlight in the cap.
$4.35
Spy Pen—
$4.35
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Description
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. Invisible ink pen has integral UV backlight in the cap.
