---
product_id: 1390750
title: "Presto! Clock Chemical Reaction Kit - Individual Size"
brand: "science universe"
price: "571 kr"
currency: DKK
in_stock: false
reviews_count: 6
url: https://www.desertcart.dk/products/1390750-presto-clock-chemical-reaction-kit-individual-size
store_origin: DK
region: Denmark
---

# Presto! Clock Chemical Reaction Kit - Individual Size

**Brand:** science universe
**Price:** 571 kr
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Presto! Clock Chemical Reaction Kit - Individual Size by science universe
- **How much does it cost?** 571 kr with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/1390750-presto-clock-chemical-reaction-kit-individual-size)

## Best For

- science universe enthusiasts

## Why This Product

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

## Description

Make 2 chemical solutions and mix them together. Wait a few seconds, then wow! It will suddenly change colors. This is the famous iodine clock reaction in an easy to use kit. Change the concentrations or temperature and the time for the color to appear changes. Do the clock reaction with Eco-foam. Learn about solutions and rates of reaction (kinetics). Contains sodium iodate, sodium sulfite, citric acid, sodium thiosulfate, starch solution, eco-foam, stirrers, spoon, cups, rack and instructions. (Individual Size) Recommended for ages 10 and up with adult supervision. Concepts and Processes: solutions, rates of reaction (kinetics), oxidation states of iodine, concentration, dilution, starch test, measuring, controlling variables, reversible, models This kit is available in both classroom and individual sizes. Note: Warning for those allergic to sulfides.

Review: Can't help but smile with this experiment. - This is a set to experiment on rate of change. The first experiment will produce a slower change, then give you instructions on how to make it faster. It's fun to watch and do over and over again.
Review: Good product - Great price.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Customer Reviews | 3.8 out of 5 stars 7 Reviews |

## Images

![Presto! Clock Chemical Reaction Kit - Individual Size - Image 1](https://m.media-amazon.com/images/I/41ckWcKVDRL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Can't help but smile with this experiment.
*by J***Z on July 26, 2015*

This is a set to experiment on rate of change. The first experiment will produce a slower change, then give you instructions on how to make it faster. It's fun to watch and do over and over again.

### ⭐⭐⭐ Good product
*by D***. on April 7, 2017*

Great price.

### ⭐⭐⭐⭐ Four Stars
*by M***T on February 27, 2018*

The diirections were very easy to follow and the demo worked perfectly!

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**Shop now:** [https://www.desertcart.dk/products/1390750-presto-clock-chemical-reaction-kit-individual-size](https://www.desertcart.dk/products/1390750-presto-clock-chemical-reaction-kit-individual-size)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-02-21*