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Invisible Ink Spy Pen

House of Marbles

Invisible Ink Spy Pen


Part of the House of Marbles “Super Secret Spy” range, this clever Spy Pen lets you write secret messages only revealed by the built in U.V. light!

Perfect for any budding spy and great for party bags. Comes with a handy hook so you can keep it safely attached to a pad of paper.

  • Ages 3+ 

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