iPang UV Light Pen Set of 7, Invisible Ink Pen Maker, Kids Spy Message Pen with Built-in UV Light for Kids Party Favors Ideas Gifts and Security Marking

Pakage Included:1 * Red UV Light Pen1* Blue UV Light Pen1* Green UV Light Pen1* Yellow UV Light Pen1* Purple UV Light Pen1* Pink UV Light Pen1* Black UV Light Pen
WIDELY APPLICATIONS: You can use these invisible pens on many different things and create a lot of fun, such as encrypting the wedding invitations, School activities, all kinds of parties.
WRITE YOUR SECRET MESSAGE: This magical invisible ink pen will write your secret message. Once your secret message is written with this invisible ink pen wait a few seconds shine the light from the cover of the pen and REVEAL MYSTERY OF THE SECRET MESSAGE.
PACKAGE INCLUDES: 7 invisible magic pens with built in UV lights. Batteries included and installed. Pens will come in a variety of colors to keep the activity exciting.
BUILT-IN UV LIGHT: It is a great idea to have the UV light installed in the cap so you do not need to buy a spare light. It comes everything in it so your children and their friends can instanly play with these and see the seceret messages they write!