A mechanical toy is a type of toy that operates using simple machines and mechanisms, often powered by winding a key or using springs. These toys can perform various actions, such as walking, dancing, or moving in a specific direction. They are typically made from materials like metal, wood, or plastic and are designed to entertain children and adults alike. Many mechanical toys are inspired by animals, vehicles, or characters from popular culture. They often feature intricate designs and can be collectible items for enthusiasts. Some well-known examples include tin wind-up toys and automata, which showcase the fascinating interplay of art and engineering.