Secret Message Writing Set


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Keep diaries and top secret messages from prying eyes with this secret message writing set. The messages can only be revealed by using the UV light on the cap of the pen. Great for anyone who detects a spy amongst them.


  • Two invisible ink pens
  • Powerful black-light UV beam
  • Batteries included
  • Ages 4 years plus.


Shipping Details

*Please note that due COVID-19 safety measures both Not Socks and our courier partners are operating with a reduced team in order to work safely so there may be some delays in orders being dispatched and delivered. Learn More.


Order by 1pm weekdays & your order will be delivered:

  • Urgent: Next day - Currently Unavailable
  • Standard: 2-3 weekdays
  • Rural: 3-5 weekdays
  • International: 3-10 weekdays - Currently Unavailable

Product Information


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