The perfect invisible ink pens for your spy vs. spy games

NEWS – These pens would be a perfect gift for the budding spy or secret agent in your family.  The pens are filled with ink that’s only visible under UV light.  Luckily, the pens’ caps have a UV light source in them, so the message can be quickly decoded as soon as it’s passed over.

The set comes complete with two invisible-ink pens with UV-light caps, with batteries included.  The Secret Message Invisible Ink Pens Pkg/2 is $5.99 at The Container Store.

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