A fun gift for budding secret agents. The invisible ink pens can be used 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! Choking hazard, small parts, keep away from children under 3
Card, Plastic, Electrical, Ink
- Dimensions: Length: 16 cm Height: 2 cm Width: 5 cm