You May Know Potatoes As A Good Source Of Potassium,
But Did You Know They Can Be Used To Power An Alarm Clock.
The Two Potato Clock Allows You To Generate Enough Electricity To Run A Digital Clock Using Potatoes Just Push The Zinc And Copper Electrodes Into The Potatoes Causing An Oxidation/Reduction Reaction That Is Converted To Low Voltage.
would definitely recommend - happy with speed of delivery and very happy with quality of finish.
Wooden Alphabet Tracing Boards Set - Pre Writing Skills
My grandchildren love them.