收集所需材料。 剥掉电线两端的绝缘皮。 组装电池组。 将电线连接到电池组。 将电线另外一端固定到灯座的金属螺丝。 测试电路。

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
To build a simple circuit, you will need a power source, 2 insulated wires, a light bulb, and a light bulb holder. A power source can be any type of battery or battery pack. The rest of the materials can be found at your local hardware store.  When choosing a light bulb, find one that is around 15-25 volts so a single battery can power them. To simplify the wire attachment process, use a battery snap with wires pre-attached and a 9-volt battery or battery pack. In order for your circuit to work