---
product_id: 39786726
title: "Invisible Ink Pen with UV Light Secret Message Pen Spy Pens Magic Invisible Markers Classroom Gifts for Students, Party Favors for Kids 8-12, Goodie Bag Stuffers for Kids"
brand: "kerrt"
price: "₨291"
currency: SCR
in_stock: true
reviews_count: 13
category: "Kerrt"
url: https://www.desertcart.sc/products/39786726-invisible-ink-pen-with-uv-light-secret-message-pen-spy
store_origin: SC
region: Seychelles
---

# Powered by replaceable LR44 battery Built-in UV light reveals secret messages 0.3mm fine tip for precise writing Invisible Ink Pen with UV Light Secret Message Pen Spy Pens Magic Invisible Markers Classroom Gifts for Students, Party Favors for Kids 8-12, Goodie Bag Stuffers for Kids

**Brand:** kerrt
**Price:** ₨291
**Availability:** ✅ In Stock

## Summary

> 🕵️‍♂️ Unlock the power of invisible creativity—because ordinary writing is so last season!

## Quick Answers

- **What is this?** Invisible Ink Pen with UV Light Secret Message Pen Spy Pens Magic Invisible Markers Classroom Gifts for Students, Party Favors for Kids 8-12, Goodie Bag Stuffers for Kids by kerrt
- **How much does it cost?** ₨291 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/39786726-invisible-ink-pen-with-uv-light-secret-message-pen-spy)

## Best For

- kerrt enthusiasts

## Why This Product

- Trusted kerrt brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Multi-Surface Magic:** Safe, flavorless ink writes invisibly on paper, skin, fabric, and more—unleash your imagination anywhere.
- • **Durable & Easy to Use:** Smooth grip and quick-drying ink ensure a seamless writing experience every time.
- • **Trusted Quality & Warranty:** Backed by KERRT’s commitment to quality and customer satisfaction—shop with confidence.
- • **Party-Ready & Classroom Approved:** Ideal for kids 8-12, these pens make unforgettable gifts, party favors, and classroom surprises.
- • **Write Invisible, Reveal Instantly:** Craft secret messages that only UV light can unveil—perfect for spy games and creative fun.

## Overview

The KERRT Invisible Ink Pen set features four fine-tip pens with invisible, flavorless ink that only appears under the built-in UV light. Designed for kids aged 8-12, these durable, multi-surface pens are perfect for secret messages, party favors, and classroom fun. Powered by replaceable LR44 batteries, they combine safe, quick-drying ink with a smooth grip for effortless use. A top choice for creative play and gifting, backed by a reliable warranty.

## Description

Buy KERRT Invisible Ink Pen with UV Light Secret Message Pen Spy Pens Magic Invisible Markers Classroom Gifts for Students, Party Favors for Kids 8-12, Goodie Bag Stuffers for Kids: Spy Gadgets - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Big hit with kids—and a fun throwback for adults too - I bought a bunch of these to give to a group of kids, and they were a total hit. The invisible ink and UV light bring back memories of old decoder pens—such a fun, clever concept. They’re easy to use, work well, and make a great little gift or classroom surprise.
Review: Excellent gift for kids - Got as a Christmas gift for my son because he’s been telling me he wants an invisible ink pen and we’ve had so much fun ever since Christmas! We even write on our hand little messages to each other and then use the glowing part to reveal the message. He has shown other children and they’re impressed by these pens as well. Parents are asking me where I got them. They’re good quality, very durable, great value for the money since you get four. They are easy to use to use and they do dry quickly.

## Features

- Invisible ink pen will write your secret message: when your message is written by the pens, nothing you will see , but you can see message clearly with light from the top of the pen .that's the secret message pen.
- Funny pens:Harmless and flavorless ink, you can write everywhere: T-shirts, paper, skin and any surface! Healthy toys for your kids and environmental pens !
- Magic and cool pens can be used widely. Perfect for the RSVP's to wedding invitations, Goody bags for kids spy party, Make a fun party favor, even using the UV light to check dollar bills. Bringing you an amazing variety of fun, which is also a really great gift for kids and friends
- Great gifts for girls and boys When choosing gifts for kids on party favors, birthdays, Easter,Thanksgiving Day, Christmas and other festivals, this invisible ink pens for kids is definitely one of the best choices! Kids can use the pens to write down their own ideas, giving full play to their imagination and creativity.
- invisible ink pen Warranty :Whether it's your first purchase or you're back for more, rest assured that we're in this together: All product problems, we take all responsibilty for them ! Enjoy your shopping from us !

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01N6N4JJR |
| Batteries | 1 LR44 batteries required. |
| Best Sellers Rank | #49,819 in Toys & Games ( See Top 100 in Toys & Games ) #35 in Toy Electronic Spy Gear |
| Brand | KERRT |
| Closure | snap |
| Color | Multicolor |
| Customer Reviews | 4.5 4.5 out of 5 stars (2,707) |
| Date First Available | January 3, 2017 |
| Grip Type | Smooth |
| Ink Color | Black |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1.45 ounces |
| Item model number | CYJ10 |
| Line Size | 0.3mm |
| Manufacturer | KERRT |
| Manufacturer Part Number | CYJ10 |
| Material Type | Plastic |
| Number of Items | 4 |
| Point Type | Fine |
| Product Dimensions | 4.02 x 2.01 x 0.59 inches |
| Size | 1 Count (Pack of 4) |

## Product Details

- **Age Range (Description):** Kid
- **Brand:** KERRT
- **Color:** Multicolor
- **Ink Color:** Black
- **Writing Instrument Form:** Marker Pen

## Images

![Invisible Ink Pen with UV Light Secret Message Pen Spy Pens Magic Invisible Markers Classroom Gifts for Students, Party Favors for Kids 8-12, Goodie Bag Stuffers for Kids - Image 1](https://m.media-amazon.com/images/I/61StTBowuxL.jpg)

## Questions & Answers

**Q: Can you change the batteries of the black light?**
A: I don't think so.  These pens are so cheap the battery would probably cost more than a new pen!

**Q: Do they have  enough  ink to last long?**
A: Your question depends on the user - my guess is, the ink will last about as long as any other thin tipped felt pen.  If you're planning to use these as security measure against fraudulent returns, its more likely you'll leave the cap off sometime over the next year causing the pen to dry out, long before it would run out from use.

**Q: How bright does it show up**
A: Not very bright in my opinion.

**Q: How big are they?**
A: Each pen, including the light on top, is about 5 inches long.  It's about as thick as a standard "stick" pen, but the top (about 1 3/4 inches) with the light in it is wider, maybe a half inch in diameter.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Big hit with kids—and a fun throwback for adults too
*by C***H on November 8, 2025*

I bought a bunch of these to give to a group of kids, and they were a total hit. The invisible ink and UV light bring back memories of old decoder pens—such a fun, clever concept. They’re easy to use, work well, and make a great little gift or classroom surprise.

### ⭐⭐⭐⭐⭐ Excellent gift for kids
*by H***Y on January 10, 2025*

Got as a Christmas gift for my son because he’s been telling me he wants an invisible ink pen and we’ve had so much fun ever since Christmas! We even write on our hand little messages to each other and then use the glowing part to reveal the message. He has shown other children and they’re impressed by these pens as well. Parents are asking me where I got them. They’re good quality, very durable, great value for the money since you get four. They are easy to use to use and they do dry quickly.

### ⭐⭐⭐⭐⭐ Worth it - kids love them
*by D***S on December 11, 2025*

Great value and color variety. The kids had so much fun using these pens. And they actually work great. Good buy

## Frequently Bought Together

- KERRT Invisible Ink Pen with UV Light Secret Message Pen Spy Pens Magic Invisible Markers Classroom Gifts for Students, Party Favors for Kids 8-12, Goodie Bag Stuffers for Kids
- Lighting EVER Black Light Flashlight, Small UV Lights 395nm, Portable Ultraviolet Light Detector for Invisible Ink Pens, Dog Cat Pet Urine Stain, AAA Batteries Included

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-01-29*