Tobar Kids Lockable Secret Diary Padlock & Keys Set Keyring UV Torch Invisible Ink Pen. Anything written in the diary with the invisible ink pen is only visible when viewed with the ultra-violet torch.
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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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First, use this pen to write anywhere, and then use the effects of ultraviolet light, heating, etc. Using this invisible ink pen,you can write any secrets of you and will not be seen by anyone. 4Pcs Invisible Ink Pen.
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Text visible under UV light. Fashionable and personalized. Health & Beauty. More places to use it! Light weight and easy to carry. Due to different monitors and lighting effects, the actual color may be slightly different from the image.
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14 x Invisible Ink Pen Color:red, yellow, green,blue,purple, black, pink High Quality Pens & batteries included and built in. Write spy messages with the invisible ink pen then shine the massage with UV light in the lid to read what was written! They also have a very useful pull out tab for the battery so no chance of receiving one with dead battery due to accidental press. the battery can be used for a long time. Variety of fun application! Great party gifts for kids, for party bags! can write on paper, card, clothes etc. It must be a good surprise for the kids. invisible ink is the same in every color pen.
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Invisible ink pens are great for marking all kinds of surfaces and applications, especially paper. Invisible/Secret ink pen & built in UV light. UV light is also useful for detecting counterfeit bank notes.
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1 Ballpoint pen. Type: function pen. Due to the differences between the display and the different lights, the picture may not reflect the actual color of the item. Product details may vary slightly due to different production lots.
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