TKL Invisible Pen For Kids Refill  (Pack of 24, Ink Color - Invisible)

Invisible Magic Ink Pen with UV Light Feature:- The pen is made of plastic and the pen' ink is made of special high-brightness compounds that are invisible to the naked eye, but magically illuminate when exposed to the attached ultraviolet (UV) light. When your secret messages, codes, diagrams, etc. Are written with this special UV pen they will be invisible to the naked eye. The message can only be seen under the light of our UV light.You can write your all secret massage With the help of this secret writing pen with UV light. uv light inbuilt with pen on the top of cap. After writing any massage can seen only in UV light. Specification:- This unique pen uses a special ink which in invisible to the naked eyes and can only be seen under the special UV light built in this special pen. The Best For Return Gift In Kids Birthday Party, Great fun for kids. Emergency flashlight, Flavorless and non-toxic ink.