- Presto! Clock Reaction Kit
Presto! Clock Reaction Kit
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Your own version of the famous iodine clock reaction in an easy-to-use kit.
Equipped with four transparent chemicals, make two solutions and mix them together, then WOW! Watch the color drastically change within seconds.
Experiment by altering the concentrations or temperature, and measure the time it takes for the color changes to appear. An innovaive kit that allows thorough exploration of solutions and rates of reaction (kinetics).
Age: 10+ with adult supervision. This kit contains chemicals which can be harmful if used incorrectly.
What You Get
Presto! Clock Reaction Kit. Includes four chemicals, sodium iodate, sodium sulfite, citric acid, and sodium thiosulfate, in five gram containers. Additionally includes 20 milliliters of a starch solution, a wooden rack, two stirrers, two spoons, eco-foam, three cups, and user instructions.
How Does it Work?
Presto! Clock Reaction Kit demonstrates the basics of kinetics, which measures and studies the rates and effects of chemical reactions. Performed with a combination of chemicals, simply mix two solutions together to observe a variety of color changing effects. From dark blue to clear again, this creative science experiment kit clearly showcases the principles of Briggs-Rauscher oscillating chemical reaction. Capable of providing hours of experimentation, this kit also makes it easy to explore various chemical reactions based on temperature and time changes.
- Briggs-Rauscher Reaction
- Oscillating Chemical Reactions
WARNING: CHOKING HAZARD - Small Parts. Not for children under 3 years.
|Age Group||9-10 Years, 11-12 Years, 12+ Years|
What are the shipping costs?
FREE Shipping is available on all orders over $120 to anywhere in Australia!
Orders under the value of $120 incur a low flat rate shipping cost of only $9.95 to anywhere in Australia.
Express, Registered and International delivery options are also available. The cost for these premium shipping services will be automatically calculated during the checkout process. Please conact us if you have any queries with these services.
In some cases we may need to apply a shipping surcharge to large or fragile items, especially to remote or non-urban locations. You will be contacted by us for confirmation if this additional charge is applicable.
How long will it take for my order to arrive?.
You should receive your order within 2 to 4 working days, although to some regional and out back areas it can take up to 2 working days longer. Orders going to WA also take a little longer, up to 6 working days.
All standard orders are shipped using Australia Post's eParcel service, so you'll be kept fully informed of the progress of your order during its journey to you. Aside from receiving regular email updates, you can enter your tracking number into Australia Post's website at any time for information about the delivery status of your order.
International delivery will take from between 1 to 4 weeks depending on the destination and potential customs clearance delays.
When will my order be shipped?
We ship every Victorian business day. Orders received and paid for by 12pm AEST time will generally be shipped the same day.
If you require your order urgently, we have a next day delivery express service available.
What locations do you ship to?
We ship to both Australian and International customers.
What shipping options are available?
The majority of orders are shipped using Australia Post's trackable eParcel service, with larger orders being sent by national courier.
We also have options for express or registered post. A number of international delivery options are also available. These can be selected during checkout.