PERSONALISED SECURITY: Set up your unique number passcode to ensure the utmost privacy and security for your secrets with the Secret Safe Magic Notebook by VTech. Only those with the correct passcode can access the 30-page notebook and its hidden contents INVISIBLE INK REVEALED: Use the special UV light of the Secret Safe Magic Notebook to uncover secret writing made by the invisible marker pen. Shine the light on the pages and watch as the hidden messages appear, adding an element of mystery and intrigue to your secret notes DAILY INTERACTIVE FEATURES: Stay entertained and engaged with the built-in music, lucky number of the day, and daily fortune features of the Secret Safe Magic Notebook. Discover your lucky number, listen to enjoyable tunes, and receive insightful fortunes to make each day more delightful MEMORY TESTING FUN: Challenge your memory skills with the engaging number sequence game included in the Secret Safe Magic Notebook. Test your abilities solo or play with a friend, enhancing your cognitive skills while having a blast SECRET COMPARTMENT: Keep your valuable items hidden and secure inside the secret compartment of the notebook. Store small treasures or important belongings, adding an extra layer of secrecy and convenience to your secret-keeping adventures