This set of copper and zinc strips is ideal for teaching purposes, particularly in demonstrating the concept of fruit batteries. Each pair of strips acts as an anode and , allowing you to generate electricity from fruits. Insert the copper and zinc sheets into a fruit, connect them with wires, and watch as the fruit battery powers a small device, both fun and interactive. Features -Color:Multi -Material:Copper, Zinc -Size:4.00X0.90X0.20cm/1.57X0.35X0.08in -Size:4.00X0.90X0.08cm/1.57X0.35X0.03in -Efficient conversion: the copper and zinc sheets in this fruit battery material ensure efficient conversion, providing and stable power -Crucial for scientific research: these zinc sheets copper sheets are vital for scientific research, offering necessary support for various experimental needs -Reusable: designed for repeated use, these for zinc plating help reduce experimental and support sustainable practices -Versatile applications: ideal for scientific experiments, diy projects, and , these diy fruit battery materials cater to a wide range of applications -Stable and safe power supply: featuring high stability and safety, these experiment strips provide a consistent and secure power supply, ensuring successful experiments Package list: 90 x zinc sheets 90 x copper sheets