CQACQ Invisible Ink Pen 14Pcs Latest Spy Pen with Light Spy Marker Kid Pens for Secret Message and Birthday Party,Writing Secure Message for Easter
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Spy Pen:The ink is invisible after you write with it,unless you light on the cap light to see the message perfectly.
Invisible Ink Pen: Harmless and tasteless ink, healthy toy for your kids! disappearing inks on t-shirts, paper surface! Permanent but washable! With 14 Pcs in bag, you can easily hosts a kid’s birthday party favors stocking stuffer, to find the treasure,escape room,or classroom activity complete with invisible ink clues!