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3261 - 4M Green Science - Enviro Battery

The most unique and non polluting energy sources you can find on 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, a fork battery, a potato buzz wire game and more.
Contains 3 zinc plates, 3 copper plates, connection wires, 3 plastic cups, a light tower, a LED lamp with connection wire, a sound chip with connection wire, an experiment record sheet, adhesive tape and detailed instructions.
Age: 8+ years. Contains small parts.

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