Tinc Spy Pen Invisible Ink Pen

The Tinc Spy Pen lets you write secret messages with invisible ink and reveal them using the built-in light. Simply pen your note and shine the light to read the hidden text, making it a favourite for playful spy missions and sharing secrets with close friends. This UK novelty pen is a simple, creative way to keep notes private.

• Uses invisible ink that remains hidden until revealed.
• Reveals messages using the pen's own built-in light.
• Ideal for secret notes between friends during play.
• Keeps messages safe from nosey parents while playing spy games.