A preschooler is a child typically aged between three and five years old. During this stage, children develop important skills such as language, social interaction, and basic problem-solving. They often attend preschool or kindergarten, where they engage in play-based learning and activities that promote creativity and cooperation. Preschoolers are known for their curiosity and energy. They enjoy exploring their environment, asking questions, and participating in imaginative play. This age group is also learning to express their emotions and understand the feelings of others, which helps them build friendships and navigate social situations.