"“Archipelago of Generations. Course on intergenerational practice for animators and educators"" was a strategic partnership and project set up in trilateral cooperation by non-governmental organizations from Poland (Association for Creative Initiatives ę / Warsaw), the UK (Beth Johnson Foundation / Stoke-on-Trent), and Germany (Kreisau-Initiative eV / Berlin). The main objective of the project was to promote the competence of staff working with older people and intergenerational groups in Poland, Germany and the United Kingdom through the development of on-line course and joint development of teaching materials: a catalogue of good practices and a set of methods / scenarios for activities with intergenerational groups. The activities were aimed at personnel of the partner organizations, cooperating networks of coaches, leaders and experts, and more broadly - people interested in the development of competence in working with older people and intergenerational groups. An important group of participants were those 60+, as animators and experts on the needs of this age group. Activities included work on the elaboration of the course and methodological publications and a joint learning process of all three organizations, based on a series of short training programs, a series of project meetings and virtual collaboration spaces. They were concluded by a series of events to disseminate the results in the form of workshops organized in each of the three countries. The project was directed by an innovative design thinking approach, methodology of incubation of ideas and the principle of empowerment. The project partners have significant and varied experience in the field of supporting active aging and cooperation of generations. Each country represents also a different stage of development of policies and practices in this field, which is why international cooperation has brought all those involved, as well as all target groups, tangible benefits. The online course on intergenerational practices and two methodological publications increased the competence of educators and animators, all partners strengthened their institutional capacity. Experience and expertise transferred between the partners has been an impetus for on ongoing support of solidarity between generations in Poland, Germany and the UK. Diverse realities of the involved countries, as well as rich and various experience of the partners were a factor stimulating the process of mutual learning. All partners act as cross-linking organizations and support local initiatives in their own countries, which secured broad and effective dissemination of achieved results."