Secret Agent Invisible Ink Pens X 2 | Rex London
BrandRex London (formerly dotcomgiftshop)
Description
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.
£3.95