UV blacklight pen with invisible ink

Secret messages disappear without a trace - until UV light reveals them.

Write a message that nobody can read - then make it visible with a beam of light: The SecretTxt 2-in-1 UV blacklight pen makes it possible. The invisible ink leaves no visible marks on the paper. Only the UV light built into the pen tip reveals the secret messages. Whether you're playing with children, writing hidden clues, or giving it as a special gift, secret communication works instantly and without any preparation.

Benefits

• No more embarrassing revelations: The invisible ink stays hidden from anyone who doesn't have UV light - secret messages really stay secret.
• No extra device needed: The UV light is built right into the pen - you don't have to look for or bring anything extra to decode messages.
• No doubts about quality: The pen is made of eco-friendly plastic, so there's no need to check it for questionable materials.

Specifications

• Function: 2-in-1 - invisible ink + UV blacklight
• Length: approx. 12.7 cm 
• Material: eco-friendly plastic
• UV light: built into the pen tip

How to use

1. Write: Use the invisible ink pen tip to write your secret message on paper.
2. Wait: Let the ink dry briefly - the writing remains completely invisible to the naked eye.
3. Reveal: Shine the integrated UV light at the other end of the pen over the paper to make the hidden message visible.

Pro tip: The UV light works best in a slightly darkened room - the characters will glow especially clearly and brightly.