Ideal for puzzles, security, or creative projects, the ink is only visible under UV light. Fun and functional, these pens are perfect for kids, enthusiasts, or anyone who loves a little mystery in their writing.
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UV light is also useful for detecting counterfeit bank notes. Simply use the pen to make a distinguishing mark and use the UV light to make checks. Invisible ink pens are great for marking all kinds of surfaces and applications, especially paper.
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Hide your writing with the invisible ink pen. One red, one black.
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To reveal the hidden text, simply shine the UV light on the writing and watch the magic unfold. Unlock the ultimate adventure with our UV Pens in treasure hunting and puzzle-solving activities! Organizers can ingeniously hide clues, hints, or codes with invisible ink.
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1x INVISIBLE PEN - SPY PEN. Invisible Pen. A modern novelty that kids love to play around with! Other Stuff. We can't help you if you don't get in touch! Give us a buzz!
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Ideal for puzzles, security, or creative projects, the ink is only visible under UV light. Fun and functional, these pens are perfect for kids, enthusiasts, or anyone who loves a little mystery in their writing.
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Use the UV Spy Pen to mark and check discreetly! 🔦Lightweight, Portable & Easy to Use – Take it anywhere and enjoy hours of mystery fun! ✅ Great for party bags & secret notes.
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Ink visible under UV light Permanent Smudge-proof Waterproof Fast drying ink Bullet tip Nib 1.5 - 3mm .
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