Hand Boiler

Hold the bottom for some cool bubbling action! Your hand warms and expands the air.
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$12.95 Incl. GST
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Hold the bottom for some cool bubbling action! Heat from your hand warms the air in the boiler causing it to expand. As a result, the air forces the liquid up the twisting glass tube and then bubbles through it. Demonstrate the power of energy transfer with this intriguing liquid motion gadget. Everyone is hot, hot, hot with this boiler. Colour and shapes vary.

Age: Not a toy and not intended for use by children. Made of glass.

What You Get

Handboiler measuring approximately 17cm high in attractive gift box.

How it works

This lovely glass sculpture demonstrates Charles's Law and vapour-liquid equilibrium. The enclosed coloured liquid is a mixture of volatile liquids with a boiling point just above room temperature. However the liquid does not actually boil. It's the expanded warm air that causes a pressure difference between the two bulbs, and liquid movement. The liquid moves from the higher pressure bulb to the bulb with lower pressure, then, as the gas inside continues to expand, it bubbles through the liquid creating a cool boiling effect. Given the liquid inside is volatile, the boiler is even more effective: easily 'boiling' every time.


  • Charles's Law
  • Vapour-liquid equilibrium
  • Volatile liquids
  • Energy transfer
  • Gas pressure laws

WARNING: CHOKING HAZARD Small Parts. Not for children under 3 years.

More Information
Length (cm) 10
Width (cm) 8
Height (cm) 22
Age Group 12+ Years
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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.

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