Feichao Fruit Battery Experiment Kit Cola Potato Lemon Power Clock Elementary School Science Experiment Material Item NO.: F35638 F35639

Feichao Fruit Battery Experiment Kit Cola Potato Lemon Power Clock Elementary School Science Experiment Material

This set is the standard configuration version: 4 pairs of copper-zinc sheet + 5 wires + 2 small clips + two red and white lamp beads (The electronic watch version is based on the lamp bead version, which can be used for lamp lighting experiments or power supply. Electronic watch operation) Generally, the more acidic the fruit is, the more obvious it is. Commonly used are cola, vinegar, various fruits, potatoes, tomatoes and so on. During the experiment, the three groups of copper and zinc flakes can also be brightened, but the effect is worse.