---
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: "₨490"
currency: SCR
in_stock: true
category: "Thames & Kosmos"
url: https://www.desertcart.sc/products/592490374-thames-and-kosmos-spy-labs-secret-message-tools-detective-toy
store_origin: SC
region: Seychelles
---

# Boosts problem-solving & critical thinking Complete kit with brush, petri dish & notepad 2 invisible ink pens for secret messaging 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:** ₨490
**Availability:** ✅ In Stock

## Summary

> 🕵️‍♀️ Unlock the secrets of stealth and smarts with every invisible ink message!

## 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?** ₨490 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/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

- • **Durable & Portable:** Compact metal tin keeps your spy gear safe and travel-ready.
- • **Ready Out of the Box:** No assembly needed—start your covert operations immediately.
- • **Invisible Ink Mastery:** Write and reveal secret messages only you and your partner can decode.
- • **Cognitive Skill Builder:** Sharpen problem-solving and perseverance through interactive learning.
- • **Hands-On Detective Experience:** Engage in immersive spy play with real tools designed for budding sleuths.

## Overview

The Thames & Kosmos Spy Labs Secret Message Tools kit includes two invisible ink pens, a brush, petri dish, and notepad, all housed in a sturdy metal tin. Designed for kids 8+, it encourages problem-solving and critical thinking through hands-on spy-themed activities, allowing users to write and reveal secret messages. Perfect for indoor play, this ready-to-use detective gear fosters creativity and cognitive skills without any assembly required.

## Description

Shop 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+. Free delivery and returns on eligible orders of £20 or more.

## 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 |
|---------------|-------|
| ASIN | B0BS4GZS3S |
| Age Range Description | Kid |
| Best Sellers Rank | 322,204 in Toys & Games ( See Top 100 in Toys & Games ) 69 in Detective Toys & Sets |
| Brand Name | Thames & Kosmos |
| Colour | Red |
| Customer Reviews | 4.0 4.0 out of 5 stars (76) |
| Educational Objective | Reading |
| Global Trade Identification Number | 00814743017726, 10814743017723 |
| Included Components | 2 secret pens, brush, petri dish, and notepad, manual |
| Indoor Outdoor Usage | Indoor |
| Is Assembly Required | No |
| Item Dimensions | 10.9 x 3 x 7.4 centimetres |
| Item Type Name | Toy Detective Gear |
| Manufacturer | Thames & Kosmos |
| Manufacturer Part Number | 548013 |
| Manufacturer recommended age | 8 years and up |
| Material Type | Plastic |
| Model Number | 548013 |
| Number of Players | 1 |
| Operation Mode | Manual |
| Set Name | Secret Message Tools |
| Size | M |
| Theme | Detective, Spying |
| UPC | 814743017726 |
| Unit Count | 1.0 count |

## 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)

## 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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**Shop now:** [https://www.desertcart.sc/products/592490374-thames-and-kosmos-spy-labs-secret-message-tools-detective-toy](https://www.desertcart.sc/products/592490374-thames-and-kosmos-spy-labs-secret-message-tools-detective-toy)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-09-30*