A must-have tool for every detective
The Detective’s Secret Notebook is the perfect tool for discreet notes, critical clues, and hidden messages. Made from recyclable paper, it includes colorful sticky notes to quickly highlight key case details.
Write in visible and invisible ink
The set includes two special pens: an eco-friendly one with a recycled cardboard body and blue ink for regular notes, and a UV pen with invisible ink and a built-in ultraviolet light for secret messages and hidden codes.
Securely encode your messages
The notebook grants exclusive access to a secret website featuring 5 advanced methods for encoding and decoding messages. Quickly learn special techniques for hidden conversations and communicate securely, only with those you trust.