Clearance!XEOVHV Invisible Ink Pen 14Pcs with UV Light Magic Marker for Secret Messages, Writing Information for Birthdays, Easter, Halloween, Christmas Gifts for Students

Set of 14 Invisible Pen Maker Kids Message Pen with Built in Light
Feature:
Color: black, blue, red, green, purple,, yellow
Ink properties: Invisible ink
Style:
Specifications: 13.4cm
Use the ink pen to write words or messages, the writing will disappear when the ink is dry.
when you the light on to them, the behind reveals
For saving batteries life, plug the write card tag back to the pen when you don't use the light
Please don't the light directly to eyes
Package Content:
14 pens