Rex London

Rex London Secret Agent Invisible Spy Pen

$10.95 per unit

148 in stock

Rex London Secret Agent Invisible Spy Pen

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.


  • Button batteries are easily swallowed and can cause serious harm.
  • Check battery cover is secured correctly before use.
  • Keep batteries away from children.
  • Not for children under 3

Dimensions: 14.5 cm × 1.4 cm × 1.8 cm