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This quirky looking eco-friendly calculator is powered by free energy. Simply fill the three water-powered batteries to the brim and plug them in to the face of your calculator!
Water-powered batteries consist of two electrodes that are made out of special alloy. When you immerse the electrodes in water they produce electricity through an amazing chemical reaction!
Just refill the batteries as the water evaporates from the cell (typically every 2 or 3 months). It's easy to tell when you need to top up since the batteries are clear like the calculator. Very cool!
With eccentric green buttons and similar battery plugs, this calculator is a fascinating feature for your desk. The batteries will last for a minimum continuous life span of two years!
Recommended for ages 10 and up.
Dimensions: 14cm x 7.5cm
| SKU | HYD01 |
| Barcode # | 612615045743 |
| Product Box Weight | 0.190kg |
CoolThings Australia is a Australian family owned & operated small business located in Launceston, Tasmania.
The CoolThings Australia mission is to help you be the coolest gift giver in your family and circle of friends.
You know the feeling you get when you give a gift and the response is "That's so cool!" - that is what its all about!
CoolThings Australia was started in 2003 by Peter and Anne-Maree and is still led by them to this day. Their purpose in business is to be givers themselves and they support multiple charities and organisations close to their hearts locally, nationally and internationally.
Both Peter and Anne-Maree and their team of cool gift-o-l-o-gists thankyou for your support and are looking forward to serving you today!
Hydro Power Calculator Reviews
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Shop Reviews
(5) Anonymous - Verified CustomerAs with past orders, I find dealing with CoolThings Australia "a high quality experience". Easy and effortless online shopping. A lot of truly unique gifts on offer. Good communication with this Seller. Ordered product delivered on time and in excellent, well-packed condition. More power to CoolThings Australia! E.M.Wickett Perth...
(5) Melissa - Verified CustomerExcellent, first rate quality products! Fast delivery. I bought some "Cool Things" for my grandchildren for Christmas, and they definitely won't be disappointed! Highly recommend A++++...
(5) Caroline - Verified CustomerExactly what I wanted and it came quickly ...
(5) Dot - Verified CustomerI bought some cat themed goodies for a coming event. Very happy with them. Easy ordering, quick shipping, highly recommend ...
(5) Barbara Clapperton - Verified CustomerWas so excited when my parcel arrived (in great time) today. Purchased a couple of Dr. Who items, a Penguin Robot and Fitzroy's Storm Glass. All look amazing and can't wait to gift them. Will definitely check back into Coolthings with Christmas fast approaching....
(5) Deb Hunt - Verified CustomerLoved that i could buy a very different gift which you can't get in many shops. Happy to recommend ...
(5) Renee - Verified CustomerI purchased astronaut food and a prank golf ball for my 15 year old son, as stocking fillers for Christmas. Amazing. They arrived quick. Well packaged. And I know my son will love them. I hope I get to try some of the astronaut food. I have never seen that before. If not... I will be placing an order after Christmas for more. ...
(5) Sherril g - Verified CustomerLove the size and how it works...
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