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Magical invisible disappearing ink pen will write your secret message.Once your secret message has been written with this invisible ink pen - turn on the light from the cap of the pen and it will reveal the secret message.
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INVISIBLE INK PEN: The ink is invisible after you write with it, unless you light on the cap blacklight to see the secret message perfectly. WRITE
VOVRU Invisible Ink Pen 24Pcs Spy Pen with UV Light Magic Marker Kid Pens for Secret Message and Birthday Party,Writing Secret Message for Easter Day