Description
Write a secret message with the invisible pen and use the UV light on the cap to read it! Included : One 300-sheet self-adhesive notepad and an invisible ink pen with UV lamp, Works with 3 LR41 batteries included. Battery cannot be replaced. The light module is designed to work for a long time. Do not leave the light module within reach of small children. At the end of its life, the module should be disposed
