Thames & Kosmos Spy Labs Invisible Ink Pen with UV Light MASTER-Kitchen > Tableware & Serveware > Tableware > Bottle Openers Its light and elastic texture

Its light and elastic texture makes it a joy to handle and encourages creativity at any age

and in 1937

designed with the tiny hands in mind

for play or decoration

The playful design and tactile materials make it appealing to kids

Thames & Kosmos Spy Labs Invisible Ink Pen with UV Light MASTER-Kitchen > Tableware & Serveware > Tableware > Bottle Openers Its light and elastic textureAs a detective, you always need the right tools when you are on the hunt for evidence or reading secret messages. Ultraviolet light helps you uncover many hidden clues. Exchange top secret info with your friends and fellow agents using this high tech device. The pen uses a special ink that only becomes visible under ultraviolet light, like the one emitted by the flashlight on its opposite end. You can also use the UV light to find other objects and