---
product_id: 172844662
title: "iYoung Invisible Ink Pen, Secret Pen Birthday Party with UV Light for Children and Adults"
brand: "iyoung"
price: "¥2848"
currency: JPY
in_stock: false
category: "Kitchen"
url: https://www.desertcart.jp/products/172844662-iyoung-invisible-ink-pen-secret-pen-birthday-party-with-uv
store_origin: JP
region: Japan
---

# iYoung Invisible Ink Pen, Secret Pen Birthday Party with UV Light for Children and Adults

**Brand:** iyoung
**Price:** ¥2848
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** iYoung Invisible Ink Pen, Secret Pen Birthday Party with UV Light for Children and Adults by iyoung
- **How much does it cost?** ¥2848 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/172844662-iyoung-invisible-ink-pen-secret-pen-birthday-party-with-uv)

## Best For

- iyoung enthusiasts

## Why This Product

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

## Description

Descriptions:1. Children's Lovers: Children like to use this pen to keep secrets and play detective spy games. Magic pencils bring you a variety of fun activities. Top secret information in a surprise party from her parents or grandparents.2. A perfect gift: different colors make the event more exciting and interesting. Parents can buy gifts for their children as gifts. Teachers can purchase it for school activities.3. Harmless and tasteless ink: You can write anywhere: such as T-shirt, paper, skin and any surface. A healthy toy for your child and environment-friendly pen.4. Wide use: Ideal for RSVP wedding invitations. Goody packages for children's spy parties, fun parties, and even use UV lights to check US dollar bills. Bringing you amazing fun, it's great for kids and friends.5. Best use: When your information is written on the pen, you can see it, but you can see it clearly with the light at the top of the pen.Specifications:Color : purple; blue; red; black; pink; yellow; greenSize: about 13 x 2 x 2 cm/5.12*0.79*0.79inWeight: about 20gPacking List:Invisible Ink Pen*1

## Features

- 【Children's Lovers】Children like to use this pen to keep secrets and play detective spy games. Magic pencils bring you a variety of fun activities. Top secret information in a surprise party from her parents or grandparents.
- 【A perfect gift】different colors make the event more exciting and interesting. Parents can buy gifts for their children as gifts. Teachers can purchase it for school activities.
- 【Harmless and tasteless ink】You can write anywhere: such as T-shirt, paper, skin and any surface. A healthy toy for your child and environment-friendly pen.
- 【Wide use】Ideal for RSVP wedding invitations. Goody packages for children's spy parties, fun parties, and even use UV lights to check US dollar bills. Bringing you amazing fun, it’s great for kids and friends.
- 【Best use】When your information is written on the pen, you can see it, but you can see it clearly with the light at the top of the pen.

## Images

![iYoung Invisible Ink Pen, Secret Pen Birthday Party with UV Light for Children and Adults - Image 1](https://images-na.ssl-images-amazon.com/images/I/415RJOenDyL.jpg)
![iYoung Invisible Ink Pen, Secret Pen Birthday Party with UV Light for Children and Adults - Image 2](https://images-na.ssl-images-amazon.com/images/I/51RABJmqSpL.jpg)
![iYoung Invisible Ink Pen, Secret Pen Birthday Party with UV Light for Children and Adults - Image 3](https://images-na.ssl-images-amazon.com/images/I/61o4YzouotL.jpg)
![iYoung Invisible Ink Pen, Secret Pen Birthday Party with UV Light for Children and Adults - Image 4](https://images-na.ssl-images-amazon.com/images/I/619Fc7HTDiL.jpg)
![iYoung Invisible Ink Pen, Secret Pen Birthday Party with UV Light for Children and Adults - Image 5](https://images-na.ssl-images-amazon.com/images/I/61Dcetg2hyL.jpg)

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---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-31*