Description
Write secret messages and use the UV light to show the writing
Mark and use the UV light to make checks
Useful for detecting counterfeit bank notes
Suspect someone is stealing cash? Simply use the pen to make a distinguishing
Great for party bags can write on paper, card, metal, plastic, glass, tiles etc
New and High Quality
It writes with invisible ink made of special high-brightness ultraviolet visible compounds.
This means the ink is completely invisible under normal light!
Near the visible spectrum of light. Flip the pen over, shine the light on the spot where the ink was used and your hidden message will be illuminated.
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