The "Small projects of great Enthusiasts" was aimed at young people aged 14 - 18 years of age interested in science in the world around us, but - above all - who value the cooperation, exchange of experiences and new challenges. Forty-two people were directly involved in the project : the city Acuto and Vallecorca in Italy, Troyan in Bulgaria after 7 participants (including 1 leader) of the villag...