For all the little secret agents out there, the DEPESCHE Dino World LED secret pen is the perfect tool for writing secret messages. With its invisible writing color and the built-in LED, you can take your secret notes unnoticed. The secret pen is from the DEPESCHE brand and belongs to the secret pen product type with the product type name Dino World LED. The writing color is invisible and there is no overwrite. The Dino World LED secret pen is perfect for secret messages as the writing color is invisible and can only be made visible with the built-in LED lamp. Color of writing color: invisible suitable for: secret messages
