Invisible Ink Magic Pen with UV Light for Kids/Birthday

Write Your Secret Message: This magical invisible ink pen will help you write your secret message. Once your secret message has been written with this invisible ink pen, shine the built-in UV light from the pen’s cover and reveal the secret message.
Unique Spy Pens: Filled with the invisible ink, truly invisible to the naked eyes to keep your secret and mark your personal items. Can be used on any surface like t-shirts, paper, skin and much more.