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 lidBrand: Rex London

Material: Card, Plastic, Electrical, Ink
Dimensions: Length: 16 cm Height: 2 cm Width: 5 cm