House of Marbles
Secret Message Spy Pen
Quantity: 1
- Write messages using "invisible" ink
- Messages are only revealed under UV light
- Pen includes a built-in UV light in the lid
- Simply write your message with the felt tipped ink pen and then switch on the light to reveal the written message
- Perfect for any budding spy!
- Approximately 13cm x 1.5cm x 1.5cm in size
- Suitable for children aged 3 plus
