Pen with invisible ink

Invisible ink pen for writing secret messages that can only be revealed with UV light.

The invisible ink remains hidden on the paper, while the built-in UV light in the cap reveals the message. A fun accessory for young detectives and secret agents.

Key features:

• Writes with invisible ink.
• Built-in UV light in the cap.
• Reveals hidden messages.
• Ideal for young detectives and secret agents.