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The Enviro Battery
Learn the science behind power with this high voltage science kit. Use natural materials like mud, water and the humble potato to power a light bulb and watch; or activate a music chip. This is an environmentally friendly science kit that includes detailed instructions so you can make a number of unusual batteries. Contents: three zinc plates, three copper plates, connection wires, plastic cups, a light tower, a LED lamp with connection wire, a sound chip with connection wire, an experimental record sheet, adhesive tape and detailed instructions. Age guide: from 8 years.