Designed for hands-on learning, these copper and zinc sheets are essential for conducting fruit battery experiments. The set includes all necessary components to demonstrate how different metals interact with acidic fruits to produce electrical energy. good for classroom use, these materials help students understand basic concepts of electricity and chemical reactions. Features -Color:Assorted Color -Material:Copper, aluminum, zinc, iron -Size:5.00X2.00X0.10cm/1.97X0.79X0.04in -Comprehensive kit: contains multiple types of metal sheets and battery materials, ideal for elementary school science projects and experiments -Encourages creativity: enables kids to build their own fruit batteries, promoting creativity and learning experiences -Stimulates interest: diverse experiment supplies help to make science fun and engaging, motivating children to more -Child safe materials: crafted from safe, substances, making them good for use by young students in a classroom or at home -Expands learning opportunities: provides a solid foundation of materials for conducting various scientific experiments, broadening children's educational horizons Package list: 8pcs battery experimental materials