DescriptionAre you looking for ingredients for your fruit battery experiment? Then these electrode strips can help you. Parents can carry out interesting fruit battery science experiments with their children. Cultivate children's interest in science learning, improve observation ability, and hands-on abilityFeatures-Color: Golden, silver -Material: Zinc, copper -Size: About 5.00X2.00X0.10cm/1.97X0.79X0.04in -Experimental supplies: Intuitive experiments with interesting materials help to stimulate students' interest in learning physics and chemistry. -Creative experiment: Parents can carry out interesting fruit battery science experiments with their children. Cultivate children's interest in science learning. -Provide ability: In the process of experiment, develop children's imagination, improve observation ability, and hands-on ability, and cultivate scientific interest. -Premium quality materials: Made of high-grade zinc and copper materials, safe and safe to use. -Various occasions: suitable for classroom teaching, class study, group experiments, teacher's experiment demonstration, etc.