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Rex London

Secret Agent Invisible Ink Spy Pens

Secret Agent Invisible Ink Spy Pens

Regular price $7.50 CAD
Regular price Sale price $7.50 CAD
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A fun gift, budding secret agents can use these 2 pens to write messages which can only be seen under the pen's UV light.

  • Step 1: Write a secret message
  • Step 2: Use the secret lamp in the pen lid to read the message

Each pen uses 3 LR41 Lithium batteries which can be replaced by unscrewing the pen lid.

Warning:

  • Button batteries are easily swallowed and can cause serious harm.
  • Check battery cover is secured correctly before use.
  • Keep batteries away from children.
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