Ideal for science education, these copper and zinc strips are designed for fruit battery experiments. The materials ensure reliable performance and durability, making them suitable for repeated use. By using these strips, students can gain a hands-on understanding of how chemical reactions can generate electricity, enhancing their learning experience in a practical and engaging way. Features -Color:Assorted Color -Material:Zinc, copper -Size:4.00X1.10X0.10cm/1.57X0.43X0.04in -Dependable power generation: strips offer a reliable source of electricity for fruit battery experiments -Fun science activities: combining copper and zinc strips with fruits, children can engage in interactive experiments that make learning science enjoyable -Learning about electricity: these experiments help children understand the principles of electricity generation, enhancing their scientific knowledge and skills - energy conservation: no need for an external power source, supporting energy conservation awareness -Wide range of applications: great for educational settings, home use, and science labs, providing a versatile tool for scientific experiments Package list: 25 x zinc sheets + 25 x copper sheets