Feichao DIY Salt Water Electric Car Toy Gift Mini Physical Experiment Assemble Educational Learning Handmade Teaching Aids

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description:

The materials used in this product are: magnesium, carbon electrode pads, water cups, table salt, micro DC motors. The battery of the "brine power" vehicle uses magnesium flakes and activated carbon as electrodes. The battery can work after being immersed in salt water. The reaction of the battery is 2Mg + O2 + 2H2O = 2Mg (OH).

Size: length * width * height = 120 * 95 * 65mm

Note:this product not including battery.

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