The zinc and copper set is designed for scientific experiments, particularly in demonstrating the concept of fruit batteries. To use, insert the zinc and copper strips into a fruit, such as a lemon, and connect them with wires to a small electronic device. This setup allows students to see the practical application of electrochemical principles and the generation of electricity . Features -Color:Multi -Material:Copper + Zinc -Size:4.00X1.00X0.10cm/1.57X0.39X0.04in -Consistent performance: the zinc and copper strips are reliable and precise results in various experimental applications -Wide application: ideal for use in educational kits, science projects, and fruit battery experiments, offering a broad range of learning opportunities -Easy assembly: includes zinc and copper strips, designed for easy and quick assembly, making it userfriendly for all ages -Childfriendly materials: each component is thoroughly tested to ensure it is safe for children, providing peace of mind for parents and educators -Promotes scientific exploration: this kit encourages children to engage in scientific exploration, enhancing their skills and fostering a passion for learning Package list: 12pcs x sheet