The Baltic Sea is the place where we go for holidays, have fun and relax, but it‘s also a great place to learn about nature, culture, art, music and traditions. The aims of the project is for children to get to know the Baltic Sea regions, which is our natural treasure and related to eTwinning annual theme to get to be beautiful, sustainable together for our future. We would like to show the beauty of the Baltic regions, its natural surroundings and also the culture associated with this. In this project we also want to raise the very important issue of the protection of the Baltic Sky, to develop the ecological awareness of the youngest and the need to protect the environment.