Secret Message Pen with invisible ink & UV-light, on blister card, 24 pcs. per display - With this secret pen you can write the most secret, completely invisible hidden messages and then read them with the UV light on the front of the pen. The pen can also be used as a banknote tester. The pen is powered by 3 button batteries, which are included in the delivery. Invisible Pen
/ Spy Pen
/ Secret Message
/ UV Light
/ Blister Card
/ Stationery
/ Writing Tool
/ Kids' Toy
/ Gift Idea
/ Display Pack