The project "The Butterfly effect" was a partnership building activity, aimed at establishing new partnerships within organizations active in youth work. The participants were educators, youth workers and youth leaders with diverse backgrounds, cooperating on an international and national level who reflected and evaluated the local impact of their projects in order to achieve improvement in that field. The objectives of the project were: -Exploring the factors behind the local impact problem in Youth Work -Finding new methods and gaining knowledge on how can Youth workers increase their local impact and improve their work in their communities -Mapping down a strategy for local impact -Exploring the influence of Social Media on reaching local youngsters, and how to use for promotion and as a tool for impact -Enhancing the competencies of Youth Workers in term of fostering active participation among young people -Using European Solidarity Corps for local impact -Better promotion of Erasmus plus program on the local level - to foster international cooperation of youth organizations; to connect them as equal partners and to build up new trustful relationships The project took place between July 26th and August 1st, 2019 in Melk, Austria, and involved 27 participants from seven countries, namely Austria, Serbia, Italy, Spain, Greece, Germany, and Romania. The activity was financed by the NA for Erasmus+: Youth in Action in Austria. The applicant organization was the BetterMaking organization and the program was based on the principles of nonformal education. The program consisted of sessions of various topics as can be found in the annexed, updated timetable of the activity. As a result of the project, a significant knowledge transfer in terms of local youth works has been achieved (based on the participants' evaluation forms) as well as one youth exchange has been drafted that is to be applied for in the near future by the Serbian partner. The youth exchange shall expand youngsters' knowledge about Social Entrepreneurship, its chances, and its meaning for the local youth sector.