| Management number | 220387497 | Release Date | 2026/05/03 | List Price | $24.17 | Model Number | 220387497 | ||
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Overview Add five special test solutions to the beaker and separate them separately. And debug the beaker to the right height. At this time, the phenomenon can be observed. The stronger the conductivity, the brighter the bulb will be. The weaker the conductivity, the weaker the light of the solution and the matching bulb will be. A variety of solutions of different electrolytes make the bulbs strong and weak.
| Manufacturer | JDXQBLD |
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