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

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

Features

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