Okay kiddo, let's talk about how people in China learned to make things out of metal.
A long, long time ago, people in China used to use things like stones and wood to make tools and weapons. But one day, they discovered something really special - metal!
At first, they would find rocks that had bits of metal inside them, like copper and gold. They would heat up these rocks and the metal would melt out. Then they would pour the melted metal into a mold to make something new, like a tool or a weapon.
But soon people in China began to learn how to take metal out of rocks themselves. They discovered that if they mixed certain kinds of rocks together and heated them up really hot, they could make metal come out.
This was a very important discovery because metal is stronger and lasts longer than things made out of stone or wood. People could make better tools and weapons with metal, which helped them hunt for food and protect themselves.
Over time, people in China got better and better at working with metal. They learned how to make all kinds of things like swords, jewelry, and even farming tools. They also started to use different types of metal like iron and bronze.
Actually, China is known for being one of the first countries in the world to be really good at metallurgy, which means working with metals. People in China were making things out of metal over 5,000 years ago!
And that's how people in China learned to make things out of metal, all the way from rocks with bits of metal inside to learning how to make metal come out of rocks themselves.