LED Light-Up Invisible Ink Pen Set 14-Pack Glow-in-the-Dark Writing Tools for Secret Messages, Novelty Stationery, Party Favors, Creative Gifts

Set of 14 Invisible Pen Maker Kids Message Pen with Built in Light
Feature:
Color:, blue, red, green,,, 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 to them, the behind reveals
For saving batteries, 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