Toledo steel is a type of metal that is really strong and lasts a really long time. It's made by heating up some special stuff called iron and carbon in a really hot fire. When they get really hot, they combine together to make a new, extra-strong metal called Toledo steel.
People have been making Toledo steel in a special place called Toledo, which is in Spain, for a really long time. They've been making it there for over a thousand years! People in Toledo were really good at making this special type of steel, and they made lots of swords and other weapons out of it.
To make Toledo steel, the people in Toledo had to be really careful with how they heated up the iron and carbon. They had to heat them up in a special way so that they would combine just right and make really good steel. They also had to have really good materials and tools to work with, like special hammers and anvils.
Today, people still make Toledo steel, but they use modern tools and machines to make it faster and more efficiently. It's still really strong and lasts a really long time, so it's used for lots of things like knives, tools, and even tools that doctors use in surgery!