Kids UV Spy Pen Invisible Ink Pens with Built-in UV Light - Secret Message Pen Set, 5 Pack

This pack of 5 kids UV spy pens features invisible ink that only reveals secret messages under the built-in UV light. Perfect for children’s games, spy activities, and party fun, these pens allow kids to write hidden notes that stay invisible until illuminated by the UV light. Each pen comes with fresh batteries included and a medium nib for smooth, easy writing suitable for all ages. With a variety of random colours and styles, this invisible ink pen set makes an exciting gift and party favour for young detectives and creative minds.