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• Copper strip for fruit battery experiment:improve children's ability to do things on their own, develop children's imagination and creativity,copper strip
• Experiment supplies:simple and easy to use, improve the fun of the classroom, students' practical ability, and stimulate students' interest in learning,copper strip
• Zinc strip:it can create children's imagination, improve observation, increase scientific knowledge, and cultivate a hobby of scientific invention,copper plate
• Fruit battery experiment supplies:applied to intellectual development, hands-on ability, interest cultivation, interactive toys, parent-child communication, strip for electroplating
• strips:made of zinc, and copper, provides sufficient quantity for multiple experiments,zinc strip