Participants who didn’t know how to use the eTwinning platform learned how to use this platform through this training, and played an active role in the promotion of the project's activities. Then they contributed to the sustainability of the project by establishing an etwinning project with other countries. They learned new techniques and methods in education through collaboration with many European countries. They witnessed a new cultural event and their creativity developed in the” gourd painting workshop”, and their ability on building social relations increased. Thanks to this training, they had knowledge about the importance of music in child development and the application of the Orff method, and improved their practical knowledge by learning the application examples combining music and mathematics in the development of children's math skills, learning stages became more enjoyable. The motivation of children and teachers in the learning experience increased. The participants developed their knowledge and skills and they had a chance to compare their working methods and systems with each other. They gained success in project work by making decisions about how the project would be carried out.The participants got a certificate through the learning outcomes they acquired for the purpose of learning and education, and had knowledge about European education systems. They learned to prepare brochures, logo creation and how to use the web1 tools. Participants had cross-cultural awareness and improvement in language learning and teaching. Awareness of EU values emerged. After the participants returned to their countries, they shared their knowledge and experience with ”peer education. Therefore, thanks to the knowledge and skills gained by the participants, the project was disseminated more effectively. Since knowledge and experience were shared, education became international.