The article reveals the potential of playing the prepared piano in music lessons for children of primary school age. The relevance of the stated topic relates to an attempt to solve the problem of introducing young musicians to the sound of experimental music and, more broadly, the inclusion of modern music in the educational environment, along with generally accepted classical samples. The novelty of the study is due to the tangible lack of methodological developments in modern music, improvisation, despite the appearance of many composer's opuses addressed to the latest post-avant-garde techniques. As will be shown, the use of the possibilities of the prepared piano as playing practical exercises ensures the development of the child's creative skills, diversifies the process of learning to play the instrument. The put forward hypothesis finds practical confirmation during the approbation of the author's collection “We prepare the piano together”.