Best for Birthday Party, Theme party, Return gift for kids. Kids absolutely love this, they find it very attractive and innovative
Pens will come in a variety of colours (blue, green, pink, orange) to keep the activity exciting.
Spy pen: The ink is invisible after you write with it, unless you light on the cap black light to see the secret message perfectly. Your messages can be written on paper, metal, plastic, T-Shirts or skin. Your secret message written with this pen will be invisible to the naked eye - it can only be seen with the UV light.
Flavourless and non-toxic ink, harmless! Permanent but washable! (Please do not use on some special surface, like glass or smooth plastic film; it will influence the effect, and easily to be erased.
Package Include: 1 X Invisible Pen in random Colours & Design

Product description

Why do I have to use these Invisible Pen?

The invisible ink pens are very popular around people, which can create a lot of fun. People can use it to communicate secretly and hide messages. Children think that they are secret agents with these pens, lay mystery adventures and writing clues for each other.

You can make secret spy messages with your friends. The pens also can be used widely. Perfect for the wedding invitations, Goody bags for kids spy party, Make a fun party favour, For Drawing, Secret Message Writing, Currency Checking, Security Marking which really bring happiness to all of us. So get it to have more fun with your families and friends!

Features
-Different colour plastic casing with cartoons attracts children eyes (Ink is the same colour.)
-Harmless and flavourless ink for your children!
-Smooth and Available for T-Shirts, paper, skin, wall and any surface.
-Permanent but washable easily.
-A great gift for spy detector.

Package Information
-1 pcs Spy Pens(Random Colour and Design)