science museum Green Scienece Enviro Battery

The most unique and non polluting energy sources you can find on the Earth - the potato, salt water

science museum Green Scienece Enviro Battery

The most unique and non polluting energy sources you can find on the Earth - the potato, salt water and mud. Be amazed at how they light up a bulb or sound a buzzer. Includes experiment guide for making a coin battery, fork battery, potato buzz wire game and more

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