JOINPAYA Zinc Copper Anode Sheet: 72 Pcs Pure Metal Strips for Electroplating Science Fruit Battery Electric Experiment Physics Chemistry Learning Projects

["99.9% High Purity: Includes 36 pure copper and 36 zinc strips crafted for reliable electrical conductivity and thermal performance in your laboratory research,size:1.57X0.35X0.03in/4.00X0.90X0.08cm","Interactive Educational Tool: Ideal for classroom demonstrations and building DIY fruit batteries, designed to spark student interest in physics and chemistry principles through hands-on activities","Versatile Crafting Applications: Not only for basic educational uses, these zinc copper supplements serve as excellent supplies for jewelry plating, custom art crafts, and various industrial tasks","Optimal Dimensions And Storage: Each strip is precisely cut for standard testing setups; we recommend keeping them wrapped in a dry environment to maintain surface integrity and prevent oxidation","Ideal For Enthusiasts: A practical resource package tailored for teachers, hobbyists, and STEM learners looking to explore practical power generation concepts without worrying about material shortages"]