Introduction. The article presents the main results of the experimental integration of the digital learning environment “Online school ‘Living fairytales’ aimed at Russian language learners aged 3–5” into the curriculum of pre-school educational institutions of the Republic of Tatarstan. This digital resource was created by a team of scientists of the Kazan Federal University with the financial support of the Ministry of Education and Science of the Russian Federation as a part of federal target program “Russian Language” for 2016–2020. Purpose. The purpose of this article is to present the results of the experiment on the integration of the digital learning product “online Russian language school ‘Living fairy tales’ (Zhyvyje Skazky)”, into the curriculum of pre-school educational institutions of the Republic of Tatarstan. Results and discussion. The authors of the project prove the high educa-tional potential of this digital product in the implementation of modern teaching concept based on the three-part partnership “child-teacher-digital learning program”. A distinctive feature of the integrated project is its practical orientation, which creates a high motivation for preschool children aged three to five years in mastering the Russian language as the main means of intercultur-al communication. The virtual learning environmentimitates the natural needs of a preschool child: focus on the game, competitive-ness in the process of obtaining knowledge, brightness, colorfulness, visibility, interactive presentation of the material. The clear structuring of content blocks, thematic conditionality, the correspondence of the developed tasks to the individual needs of the trainee make this digital product universal in use not only for group practicing, but also for individual classes with pupils. Conclusion. The results of the experiment are intended to contribute to the successful modernization of the system of modern pre-school education by introducing high-tech products into the process of teaching Russian as a uniting tool in the formation of general cultural competences in the multilingual regions of Russia, as well as promoting the Russian language as the main communication tool for children living abroad and who need positive socialization through the integration into Russian-language communication.