NPW Invisible Ink Spy pen


Our Invisible Ink Spy Pen from NPW is an essential tool for spies of all ages. Simply write your secret message in the invisible ink and reveal its contents only by shining the UV light on the cap over it.

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  • NPW Invisible Ink Spy Pen
  • Reveal messages using UV light on the cap
  • Pack size 22.5 x 6.5cm