DescriptionAre you looking for creative and educational science experiment kit for student? This DIY fruit battery kit will be the best choice for you. It is excellent to improve the understanding of the principle of fruit power generation. Can be used for chemistry physics classroom.Features-Color:Assorted Color -Material:Zinc Alloy,Copper,Plastic -Size:4.00X1.00X0.20cm/1.57X0.39X0.08in - Made of zinc alloy material, safe and reusable, it is not easy to damage pupil due to leakage.- Complete the fruit battery science experiment project with the pupil to let the pupil's experience the mysteries of science. - Cultivate pupil's imagination and hands-on ability, and make pupil's more interested in science experiments. - By completing the fruit battery science experiment project with the pupil, enhancing mutual feelings and create good memories. - It can also improve pupil's hands-on ability, increase scientific knowledge, and cultivate a hobby of scientific invention.