If yes, look no further! It is one of the best choices for you. It can help students understand the principle of generation. -Material:Copper,Zinc. -Size:4.00X0.90X0.08cm/1.57X0.35X0.03in(zinc strip).
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8 Pairs Copper Zinc Metal Strips for Educational DIY Fruit Battery Experiments
If yes, look no further! It is one of the best choices for you. It can help students understand the principle of generation. -Material:Copper,Zinc. -Size:4.00X0.90X0.08cm/1.57X0.35X0.03in(zinc strip).