Are you still looking for some fruit battery science experiment tools? , ! Our zinc and copper sheets with strips can satisfy your needs. Made of sturdy materials, these zinc and copper anode sheet can help students understand the principle of generation. Features -Color:Golden, silver(plates); black and red(electrode strips) -Material:Zinc, copper - Size: 22.80X1.00X0.60cm/8.96X0.39X0.24in - Size: 4.00X1.20X0.10cm/1.57X0.47X0.04in -Conduct fruit battery science experiments by using these zinc and copper plates, you and understand electricity, also improve hands-on skills. -Use these copper, zinc sheet to do experiments, help students grasp the principles of generation and electricity. -Fruit battery experiments can arouse interest, improve observation skills, increase scientific knowledge, etc. -This copper sheet and zinc sheet set is portable to carry, also a great present option for anyone who want to learn about electricity. -Good craftsmanship, these zinc and copper sheet can be good replacement for your old or broken one. Package list: 4 Sheets 4 x Zinc Sheets 4 x Strips