The first is polymer clay. Generally, professional doll masters use imported flesh-colored faces, while other places use domestic soft pottery. Then tools. Taobao specializes in selling tools for dolls, and there are many models. In fact, it's all the same, and the most important thing is to look at technology. Finally, the oven for setting. It won't be very expensive. If you don't count the oven, the cost of a 20 cm high doll will not exceed 30 to 40 RMB, but it must be bought one by one, not so good, but it won't be very expensive.