This diary will keep all of your secrets safe. Just write them down in the invisible ink pen provided and no one but you will not what they are. The diary has a padlock for extra security. The only way to read what you have written is to use the ultra violet light that is provided. Just shine it over the invisible ink and you will see what you have written. Batteries are included as well as 2 ink refills for the pen.

 

Invisible ink pen Ultra-violet torch to reveal hidden writing Includes padlock Two ink refills Diary 145cm