DescriptionIf you are looking for a professional and affordable fruit battery experiment metal sheet, then your research is over here. That's because our product can meet your need. Adopted of premium material, it is practical and durable for long time use. It is easy to use and bring you much convenience. It can stimulate students' cognitive ability of physics and is a good partner of school teaching.Features- Material: Zinc.- Made of premium material, exquisite craftsmanship makes them not easy to bend or break.- Can be helpful for students to learn the principle of fruit power generation.- Intuitive and specific, it is conductive to help students understand and learn. Can be regarded as a great and practical gift to your children.- Improve children's ability to do things on their own, develop children's imagination and creativity.- Cost-effective, you can buy this practical product at an affordable price.Packing list: 30 x Zinc Sheets