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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 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 organisations close to their hearts locally, nationally and internationally.
Both Peter and Anne-Maree and their team of cool giftologists 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 CustomerEverything was excellent. Products are very good and well packed and posted quickly....
(5) Anonymous - Verified CustomerVery well received by our great granddaughter...
(5) Judy - Verified CustomerCool gifts for grandparents to give! My grandchildren love the latest puzzle. It was well wrapped and delivered promptly. Birthday presents solved....
(5) Jayne A. - Verified CustomerPurchased 2 gold daleks. For birthday presents.Quick delivery-well packed-unique -a little challenging to put tiny pieces together-recommend to purchase the tool ...
(5) Ashley - Verified CustomerWe ordered two crystal kits. They were exactly what we were expecting. Delivery was early and prices were best I could find. Recommended. ...
(5) Leonie - Verified CustomerReally happy with the puzzles purchased for my adult son who has “everything “. Gifts arrived quickly and I am very happy with the quality. ...
(5) Kerri - Verified CustomerI had missing parts of a toy I ordered and the service I received was amazing. They were shipped out fast and email response time was spot on. Thank you so much ...
(5) Lindsay - Verified CustomerThe items I purchase were exactly what I ordered they are indeed Cool Things! Prices were competitive and delivery was quick. Thank You! ...
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