This set of pairs of copper and zinc sheets is ideal for creating fruit batteries, making it an ideal choice for science experiments. These strips are designed to be used as anode and materials, providing a hands-on learning experience for students and hobbyists. Simply insert the copper and zinc strips into a piece of fruit, such as a lemon or apple, and connect them with wires to generate electricity. 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 conversion: utilizing copper and zinc sheets, this fruit battery material allows efficient energy conversion, providing stable and power support -Essential for scientific experiments: as a crucial scientific experiment consumable, these battery sheets meet various experimental needs, offering convenience to researchers and students -Reusable: these sheets are reusable, helping to save on experimental and promoting sustainability -Versatile usage scenarios: suitable for various scientific experiments, electronic projects, and diy activities, these copper and zinc sheets cater to diverse needs -High stability and safety: with excellent stability and safety features, these strips allow longterm stable power supply, allowing for smooth experimental processes Package list: 90 x zinc sheets 90 x copper sheets