The bachelor thesis deals with speech development stimulation while using rhythm aids. The work focuses on preschool children. It is divided into a theoretical and an empirical part. The theoretical part covers the pre-school age characterization, children speech development, risks of language development and role of rhythmic exercises in the development of children's speech. The empirical part describes the process of qualitative research, including the development of rhythm tools, methodological materials and the process of the actual stimulation. The empirical part eventually presents the research findings and suggestions for practice.