For writing secrets or sending top secret messages- as it found, the magic Djeco pen will work! He writes with invisible ink, and to read the message you need to use a UV flashlight hidden in the ski.
- Age: 8+
- Pen dimensions: 13 cm x 0.5 cm
- Packaging dimensions: 6.5 cm x 16 cm
- Power supply: 3 x LR44 battery (included)