House of Marbles Invisible Ink UV Light Spy Pen, for Kids Notebooks, with Magic Secret Message Writing

• House of Marbles
• Invisible Ink UV Light Pen Spy Pen
• One Spy Pen per package
• Invisible Ink UV Light Pen - Spy Pen

This clever spy pen lets you write secret messages only revealed by the built in U.V. light. Perfect for any budding spy. Pen height: 13 cms 5 inches