"If You're Happy and You Know It" is a popular children's song that encourages kids to express their emotions through fun actions. The song typically involves clapping hands, stomping feet, or shouting "Hooray!" Each verse prompts children to perform a specific action, making it an interactive and engaging experience. The song is often used in educational settings, such as preschools and kindergartens, to promote social skills and emotional awareness. It helps children learn about happiness and encourages them to participate in group activities, fostering a sense of community and joy among peers.