The largest scientific and technological museum in Italy and one of the main in Europe, with its 50,000 square meters, over 18,000 historical assets; a technical library with 50,000 volumes and 200,000 photographic and audiovisual itmes. The Museum is a reference point at national and international level in safeguarding the technical-scientific heritage and in promoting technical-scientific culture through research, study, conservation, exposition, the Observatory on scientific heritage and Technological. Furthermore, the Museum has adopted an informal education methodology that integrates historical collections with a plurality of educational proposals, specially developed by its own ©CREI-Center for Informal Education.