This set of pairs of copper and zinc sheets is an excellent choice for anyone interested in science experiments involving fruit batteries. These strips act as the anode and , allowing you to explore the principles of electricity generation. To use, simply insert the copper and zinc strips into a fruit and connect them with wires, providing a practical and engaging way to learn about electrochemistry. Features -Color:Multi -Material:Copper, Zinc -Size:4.00X0.90X0.20cm/1.57X0.35X0.08in -Size:4.00X0.90X0.08cm/1.57X0.35X0.03in -High efficiency generation: the copper and zinc sheets in this electroplating strip ensure high efficiency , delivering and stable power -Essential for research and education: these copper zinc strips are indispensable for scientific research and teaching experiments, providing necessary support for various activities -Reusable: can be used repeatedly, these sheets help save on experimental expenses and promote practices -Versatile application scenarios: suitable for a wide range of scientific experiments, diy projects, and electronic applications, these sheets fulfill diverse requirements -Solid and safe performance: with high stability and safety, these battery sheets offer dependable and secure power for extended periods, ensuring successful experiments Package list: 30 x zinc sheets 30 x copper sheets