Unleash your inner spy with the Invisible Ink Pen Set! UV Light Reveal: The pen includes a built-in UV light to reveal the invisible ink, allowing users to easily view the hidden text whenever they choose.
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1 Detector Pen. Optical lens: dedicated filter. Signal detection range: 5cm-10m. Laser detection distance: 10cm-15m. Fast and 100% assured, get the item you ordered or get your money back. Always believe we can solve problems by communication if there are any problems.
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The ink is safe and odorless, so you don't have to worry about any harmful. Just wait a few seconds for the ink to dry and you're ready to go. It's a fun and simple way to maintain your secrecy. Long-lasting and Wear-resistant: This invisible ink pen is a safe tool for kids to write.
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Color Red Blue Purpel Yellow(The Colour Is Random). due to color display of differentmonitors. Size 13cm (length). Material Plastic. Weight About: 10g.
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eBay
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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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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