A doll is a small model of a human figure, often used as a toy for children. Dolls can be made from various materials, including plastic, cloth, and porcelain. They come in many shapes, sizes, and styles, representing different ages, cultures, and professions. Some dolls are designed for play, while others are collected as decorative items. Dolls have a long history, dating back to ancient civilizations. They have been found in archaeological sites and were often used in rituals or as teaching tools. Today, dolls are popular worldwide, with brands like Barbie and American Girl leading the market.