In accordance with the conclusions of the Council of the EU, the importance of preschool education (ECEC) grows especially thanks to its major effect on the personal development of children and on the elimination of socio-economic differences. Teachers in preschool institutions work in heterogeneous classes including even the children with special educational needs (SEN). Kindergartens strive to meet the goals of inclusive education, i.e. to offer support to every child in achieving their highest level of education while respecting their individual educational needs. The teacher plays a key role in the ECEC. Professional development of the teacher as well as acquiring new methods, including digital ones, thus contribute to the satisfaction of potentially very diverse needs of each and every child. Inclusive education brings benefits not only to the child with SEN, but also to the whole group: besides the enhancement of teaching methods, it has positive effects on social learning of children, teaching them to respect diversity and differencies.The project WE Learn and COMmunicate Ensemble (WELCOME) brought together 8 organisations from the Czech Republic, Slovakia and Bulgaria. The main aim of this project was to fully integrate children with SEN. In this regard, new instruments to improve the theoretical background and the enhancement of teacher´s competences were introduced seeking synergy between educational, research and innovative components. Such synergy should be reflected in the overall improved quality of early education. This project lasting in total 33 months is being followed by further activities ensuring the sustainability of its outcomes. Specific objectives of the project:•creation and testing of a teachers´ guide targeting the best attitude towards children with SEN;•development of an application for smart devices connecting theory with practice and innovatively enabling the teacher to prepare a scale of educational activities to fit every child; •scheme, development and testing of interactive workshops helping teachers to better adjust to the work with heterogeneous group in kindergartens based on the major outcomes of the project.In total 8 institutions participated in this project: 1 organisation from school education area, 1 university, 2 scientific institutions, 3 kindergartens and 1 company providing the technical support. This diverse partnership allowed for a proposal, development, testing and dissemination of the outcomes of the project thanks to the international cooperation. The outputs are clear, mutually coherent and universally applicable in all countries involved.The main activities within this project were proposals, development, testing, finalisation and productional side of the project outcomes (translations, typesetting, expert revisions, print etc.). Furthermore, 4 international meetings, 3 focus froups, 9 workshops, 1 international dissemination activity and other broad dissemination activities were organised.Major outputs of the project:METHODOLOGY FOR WORKING WITH CHILDREN WITH SEN IN PRESCHOOL EDUCATION – designed for teachers of kindergartens offering new inspiration and suggestions for working with children with SEN WELCOME IDEA APPLICATION (INTERACTIVE DIGITAL EDUCATIONAL ASSISTENT) – an application for smart devices serving as an assistant for teacher to evaluate child´s current stage in particular spheres of development. On the basis thereof, the application recommends set of activities as well as other tips for working in heterogeneous group and with children with SEN.WORKING WITH AND SUPPORTING CHILDREN WITH SEN IN ECEC (WELCOME WORKSHOPS) – a teachers´guide on how to organise and lead workshops dealing with thematic units while using the WELCOME IDEA app. Concrete scenarios will help teachers use the app. in practice and introduce a really individualised and differentiated attitude in education so as to support the development of every child, their self-reliance and cooperation with other children to the highest extent.Main achievements and effects of the project on the target groups:TEACHERS•spreading of methods, applied tools and methodical materials; fostering the theoretical background, competences and skills for working with heterogeneous group and with children with SEN;professional development thanks to new technologies; sharing inspiration for everyday work with children with SEN, developing skills within the inclusive education; better identification of the educational offer, thus reaching individualisation within the educational process. CHILDREN•better integration within the regular preschool class; child´s development especially in the deficient areas;heightening the child´s incentive to learn, giving them the chance to experience success while being in a regular class; improved communication with parents enabling to work with the child even in their home environment which is then reflected in their better development.