This lecture presents the results of research on the application of SENcastle in different environments. The study included the application of SENcastle in working with children with developmental disabilities in kindergartens, regular primary schools, rehabilitation centers, and within the framework of individual educational and rehabilitation work. We will highlight areas where the most significant progress can be seen and where we can proactively act by applying SENcastle will be highlighted. The research also identified the most effective sensory cards and scenes. Experts who used SENcastle in their work through research highlighted its frequency of use and adaptability in working with different populations of children and types of difficulties. They emphasized that SENcastle is a tool that enables a personalized approach, vital to efficiently solving specific sensory challenges in each child. Finally, the goal of this lecture is to emphasize that SENcastle is a valuable tool in everyday work and provides the necessary sensory stimulation to support the child's overall development.