---
product_id: 592490374
title: "Thames & Kosmos Spy Labs Secret Message Tools, Detective Toy with Invisible Ink Pen for Exchanging Confidential Messages, Toys to Develop Problem-Solving Skills, Age 8+"
brand: "thames & kosmos"
price: "€ 3.66"
currency: EUR
in_stock: false
url: https://www.desertcart.nl/products/592490374-thames-and-kosmos-spy-labs-secret-message-tools-detective-toy
store_origin: NL
region: Netherlands
---

# Enhances problem-solving & critical thinking Dual invisible ink pens for secret writing Spy-themed kit to boost detective skills Thames & Kosmos Spy Labs Secret Message Tools, Detective Toy with Invisible Ink Pen for Exchanging Confidential Messages, Toys to Develop Problem-Solving Skills, Age 8+

**Brand:** thames & kosmos
**Price:** € 3.66
**Availability:** ❌ Out of Stock

## Summary

> 🕵️‍♀️ Unlock the art of invisible communication—because every detective needs a secret weapon!

## Quick Answers

- **What is this?** Thames & Kosmos Spy Labs Secret Message Tools, Detective Toy with Invisible Ink Pen for Exchanging Confidential Messages, Toys to Develop Problem-Solving Skills, Age 8+ by thames & kosmos
- **How much does it cost?** € 3.66 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/592490374-thames-and-kosmos-spy-labs-secret-message-tools-detective-toy)

## Best For

- thames & kosmos enthusiasts

## Why This Product

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

## Key Features

- • **Sleek & Portable:** Compact metal tin design fits perfectly in your backpack or desk drawer.
- • **Spy-Grade Learning:** Engage in hands-on detective play that sharpens problem-solving and perseverance.
- • **Ready Out of the Box:** No batteries or assembly needed—jump straight into your secret missions.
- • **Invisible Ink Mastery:** Write and reveal secret messages with dual pens—your covert communication toolkit.
- • **Perfect Gift for Young Sleuths:** Ideal for curious kids 8+ eager to unlock the mysteries of secret messaging.

## Overview

The Thames & Kosmos Spy Labs Secret Message Tools kit includes dual invisible ink pens that let kids aged 8+ write and reveal secret messages. Packaged in a durable metal tin, this no-battery-required detective toy encourages problem-solving, critical thinking, and creative play, making it the perfect hands-on gift for young aspiring sleuths.

## Description

Full description not available

## Features

- Send Secret Messages: To be a top detective, you need more than just a sharp mind—you also need the right tools. Our kit allows you to communicate secret messages that will be visible only to you and your trusted companion
- Fun Learning Resources: Share covert messages with your partner using ink that vanishes and reappears, readable only by both of you! With the secret pens, you can write messages that become invisible once they dry
- Comprehensive Model Kit: Each invisible ink pen can be used to write a secret message as well as reveal any covert message written by the other pen. The kit also includes tips and tricks for writing other secret communications
- For Age 8+: Suitable for kids aged 8 and above, this science kit is a great gift for any child with an inquisitive mind. The model kit comes packed in a sturdy metal tin
- Enhance Problem-Solving Skills: Our Spy Labs range of products allows kids to assume the role of a detective and take risks, experiment, problem solve, and even understand the value of perseverance

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 10.92 x 3.05 x 7.37 cm; 82 g |
| Manufacturer recommended age | 8 years and up |
| Item model number | 548013 |
| Educational Objective(s) | Reading |
| Language: | English |
| Number of Game Players | 1 |
| Assembly Required | No |
| Batteries Required? | No |
| tech_spec_battery_description_toys | No batteries required |
| Material Type(s) | Plastic |
| Remote Control Included? | No |
| Release date | 13 Mar. 2024 |
| ASIN | B0BS4GZS3S |

## Images

![Thames & Kosmos Spy Labs Secret Message Tools, Detective Toy with Invisible Ink Pen for Exchanging Confidential Messages, Toys to Develop Problem-Solving Skills, Age 8+ - Image 1](https://m.media-amazon.com/images/I/81OcTSItcEL.jpg)
![Thames & Kosmos Spy Labs Secret Message Tools, Detective Toy with Invisible Ink Pen for Exchanging Confidential Messages, Toys to Develop Problem-Solving Skills, Age 8+ - Image 2](https://m.media-amazon.com/images/I/81ZmrQQFkFL.jpg)
![Thames & Kosmos Spy Labs Secret Message Tools, Detective Toy with Invisible Ink Pen for Exchanging Confidential Messages, Toys to Develop Problem-Solving Skills, Age 8+ - Image 3](https://m.media-amazon.com/images/I/81iIum+qegL.jpg)
![Thames & Kosmos Spy Labs Secret Message Tools, Detective Toy with Invisible Ink Pen for Exchanging Confidential Messages, Toys to Develop Problem-Solving Skills, Age 8+ - Image 4](https://m.media-amazon.com/images/I/61HnLojEa+L.jpg)
![Thames & Kosmos Spy Labs Secret Message Tools, Detective Toy with Invisible Ink Pen for Exchanging Confidential Messages, Toys to Develop Problem-Solving Skills, Age 8+ - Image 5](https://m.media-amazon.com/images/I/71A-8H9bAAL.jpg)

## Frequently Bought Together

- Thames & Kosmos Spy Labs Inc: Secret Message Tools Exchange Confidential Info w/Secret Pens | Essential Tools & Tricks of The Trade from The Detective Gear Experts for Young Investigators Medium
- Thames & Kosmos Spy Labs Inc: Fingerprinting Kit Identify, Collect, Analyze Fingerprint Evidence | Essential Tools and Tricks of The Trade from The Detective Gear Experts for Young Investigators
- Thames & Kosmos Spy Labs Inc: Secret Codes and Ciphers Learn How to Make & Exchange Coded Messages! | Essential Tools & Tricks of The Trade from The Detective Gear Experts for Young Investigators

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-26*