The General Secretariat for Latin America of the International Movement for Leisure Activities in Science and Technology was created in Puebla, México during the 7th International ExpoSciences ESI ´99. Actually the headquarters are in Santiago, Chile and every two years since 2002 it is organized the Latinamerican ExpoSciences ESI-AMLAT:

1st  Latinamerican Expo-Sciences ESI-AMLAT 2002, Talca, Chili
2nd Latinamerican Expo-Sciences ESI-AMLAT 2004, Fortaleza, Brazil
3rd  Latinamerican Expo-Sciences ESI-AMLAT 2006, Veracruz, Mexico
4th  Latinamerican Expo-Sciences ESI-AMLAT 2008, Lima, Peru

MILSET was accepted as a new member of the Network for the Popularization of Science and Technology in Latin America and Caribbean at the RED POP General Assembly (9 – 11 May 2007, High Technology Center CENAT, San José, COSTA RICA)