30 days Money Back GuaranteeThe amazing potato clock
How a potato clock works, fun for the whole family
Spark the curiosity of young and old with this potato clock running on natural energy. Picture the astonished faces of your children when they see potatoes powering a real clock. The phenomenon comes down to a chemical reaction between zinc and copper that generates an electric current, turning the potatoes into little batteries. This simple, fun kit turns them into genuine young scientists, discovering how the hidden energy in everyday fruit and vegetables can be put to work. An enriching experiment that makes science accessible and funny for the whole family.
Learn to turn a simple potato into a generator
With thepotato clock, explore the potential of different fruits and vegetables to become natural batteries. Each one has a different capacity to generate energy depending on its acidity and chemical make-up. Lemons, for instance, are often more effective than potatoes because of their higher acidity, which gives better electrical conduction. Picture testing lemons, tomatoes or even apples, and finding out which one is the most powerful. The kit includes everything needed to connect and start the clock using zinc and copper, turning an ordinary object into a fascinating scientific tool. Wake up your spirit of exploration and let nature’s hidden power surprise you.
Potato Clock: specifications
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Bio-energy science kit for children aged 8 and up
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Includes: 4 copper sheets (positive electrode), 4 zinc sheets (negative electrode), 2 LEDs (to experiment with light), 1 electronic clock (powered by the battery you create), 6 wires (for the electrical connections)
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Works with various fruits and vegetables (potatoes, lemons, tomatoes, etc.)
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Encourages playful learning of electricity and chemistry concepts
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Designed to spark curiosity and stimulate imagination
- Science toy gift idea
Understanding electricity by experimenting
Electricity kits reveal the basics of an energy that is invisible yet essential to daily life. Through simple, playful builds, children (and grown-ups) learn how circuits, switches and bulbs actually work. A concrete way into science that develops curiosity, logic and observation. Perfect for learning moments at home or in the classroom. 👉 Back to electricity & circuit kitsCustomers who viewed this electricity kit also looked at
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Helen Marsden –
Bought this for my nephew’s birthday and he had it running within twenty minutes. The clock is a bit small, but it does exactly what it says. Two big King Edward potatoes worked best for us.
Gareth Pugh –
Third kit I’ve ordered from here now, and this one’s another decent one. Easy enough to put together, the zinc and copper bits feel solid. Would have liked a few more spare wires but can’t grumble really.
Priya Shah –
The idea is lovely and the clock worked once we got going, but the instruction sheet was tiny and the diagrams were hard to follow, so we spent ages working out which electrode went where. Delivery was a few days later than promised too. Fine in the end, just fiddlier than I’d expected.
Colin Fairbrother –
Lovely. Our Poppy (6) laughed her head off when the little clock started ticking on nothing but spuds. Now she’s asking if we can try it with lemons.
Margaret Oakley –
Got this for my grandson Alfie. His smile when the clock came on was a picture. Simple to do.
Danielle Okafor –
my physics-mad lad loved seeing how the zinc and copper make a proper little circuit through the potato. Postie brought it quickly and the packaging was neat. Only niggle is the clock face is rather plain, but it’s a science kit, not a fashion statement.
Rob Whitcombe –
Good fun for a rainy Sunday. The kids were chuffed it actually worked. Bit pricey for what’s in the box, mind, but worth it for the look on their faces.
Susan Biggs –
Bought this for my grandson. He was chuffed when he saw his clock powered by potatoes! The look on his face was priceless. A cracking gift for curious minds.
Roger Thompson –
Quite the clever kit, this. A pair of spuds and suddenly they’re clock batteries! Fascinated by the way simple chemistry turns everyday items into something unexpected. Assembled it and got it ticking straight off. Brilliant for anyone who’s into science or just curious.