Luminous Light Invisible Ink Pen

CPN-554809899

Interesting Spy Activities For Kids:Invisible pens with built-in purple lights. Batteries included and installed. Please BE CAREFUL with small items: Children above 3 years. Write Your Secret Message:These invisible ink pen with purple light will write your secret message. Once your secret message is written with this spy pens, wait a few seconds shine the light from the cover of the pen and REVEAL MYSTERY OF THE SECRET MESSAGE. Besides, This design with the built-in LED on every pen. This makes every individual marker a complete system for creating and reading invisible messages. Safety for kids:Safety and tasteless ink, the ink is a food-grade pigment, healthy for your kids! Smooth disappearing inks on t-shirts, paper, skin and any surface!