---
product_id: 80229102
title: "Variable Resistor (DIY Science Kit)"
brand: "thinktac"
price: "€ 7.29"
currency: EUR
in_stock: true
reviews_count: 4
url: https://www.desertcart.nl/products/80229102-variable-resistor-diy-science-kit
store_origin: NL
region: Netherlands
---

# LED Bulb 2 Batteries Conductivity Probe Variable Resistor (DIY Science Kit)

**Brand:** thinktac
**Price:** € 7.29
**Availability:** ✅ In Stock

## Summary

> 🔌 Unleash Your Inner Scientist with Every Circuit!

## Quick Answers

- **What is this?** Variable Resistor (DIY Science Kit) by thinktac
- **How much does it cost?** € 7.29 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/80229102-variable-resistor-diy-science-kit)

## Best For

- thinktac enthusiasts

## Why This Product

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

## Key Features

- • **🔍 Hands-On Learning:** Dive into the world of circuits with a DIY approach!
- • **📚 Curriculum Aligned:** Perfect for ICSE VII students exploring Electricity and Magnetism!
- • **🎉 Bonus Activity Included:** Explore Fluid Pressure & Speed with an exciting TACtivity!
- • **🧠 Boost Critical Thinking:** Sharpen your problem-solving skills while having fun!
- • **🌊 Experiment with Conductivity:** Transform distilled water into a science experiment!

## Overview

The Variable Resistor DIY Science Kit empowers young minds to explore the principles of electricity through hands-on experimentation. With simple materials and a step-by-step guide, users can create circuits using distilled water and salt, observing real-time effects on LED brightness. This kit not only aligns with ICSE VII curriculum but also fosters critical thinking and creativity, making science accessible and engaging. Plus, it includes a bonus activity on Fluid Pressure & Speed for extended learning!

## Description

Variable Resistor (DIY Science Kit)

## Features

- Create a circuit with distilled water in a bottle cap. Add small amounts of salt and observe the effect on the brightness of the LED.
- The kit contains simple, unprocessed materials (2 batteries, LED bulb, conductivity probe, salt, small stirrer, straws, foam, thin wires) and step-by-step guide for Hands-on learning.
- Login to our forums for videos, variations, support and mentoring on further exploration.
- Designed to reinforce science concepts while honing creative, critical thinking and problem-solving skills. Curriculum alignment – ICSE VII (Electricity and Magnetism - Resistors).
- Also included in the pack - bonus TACtivity of Fluid Pressure & Speed - Water Spray

## Images

![Variable Resistor (DIY Science Kit) - Image 1](https://m.media-amazon.com/images/I/717lMwJRT7L.jpg)
![Variable Resistor (DIY Science Kit) - Image 2](https://m.media-amazon.com/images/I/7181APrpn1L.jpg)
![Variable Resistor (DIY Science Kit) - Image 3](https://m.media-amazon.com/images/I/51Ul3bIZYcL.jpg)
![Variable Resistor (DIY Science Kit) - Image 4](https://m.media-amazon.com/images/I/5178D6GRXDL.jpg)
![Variable Resistor (DIY Science Kit) - Image 5](https://m.media-amazon.com/images/I/71HWe7AZilL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ 







  
  
    Good quality
  

*by J***  on Reviewed in India 🇮🇳 on 28 January 2019*

Good condition

### ⭐⭐ 







  
  
    Don’t buy it
  

*by P***I on Reviewed in India 🇮🇳 on 6 December 2020*

Tried to make it but didn’t receive all the items like distilled water and I got only one connection wireWorst product ever

### ⭐⭐⭐⭐⭐ 







  
  
    Interesting
  

*by V***A on Reviewed in India 🇮🇳 on 30 January 2019*

My brother's kid now knows how the fan regulator works. Exploring the electrical and thermal conductivity of various materials was interesting. He had fun with the experiment.

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-20*