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UV Pen with Invisible Ink

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$3.00
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Quick Overview

UV Pen with Invisible Ink - a new way to safely hide your formulas and notes during exams! 


 


UV pen with invisible ink

UV Pen with Invisible Ink

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Details

 

UV Pen with invisible ink - a new way to get your math formulas and text notes hidden to others, but easily readable to you!

How it works?

All you need to do is grab your pen and start writing your notes on the paper. 
At first, you wont be able to see what you wrote, but then, magic happens! To see what you wrote, just press the button on the pen and the UV light (positioned on the top of the pen) will reveal all your notes! As easy as that!

 

Package:

1 x UV pen with invisible ink
1 x battery in the pen
3 x extra batteries

 

 NO WARRANTY ON THIS PRODUCT

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