Hidden in plain sight – thats the secret of Legamis Unicorn-themed Invisible Ink Magic Pen. Thanks to the dual tip, you can write in classic blue ink and then, in the blink of an eye, switch to spy mode with the invisible ink. Only by using the special UV light on the lid will what youve written become visible. Perfect for love letters, secret messages with your bestie and notes for class quizzes. Teacher wont suspect a thing!