People of all ages are invited to apply. Most groups physically build a section of a school, usually without electricity. They work with members of the local community. This involves digging, mixing cement, laying brick or block, tieing rebar and carrying water. There is also lighter work available for those who need it.
Some volunteers help teach or entertain children.
Visits to homes, games with children, sharing pictures and pumping water from a well help volunteers bond with the community. In the evening, participants usually meet to review the day, sing, explore social and faith-based questions or visit new friends. It is helpful to learn some Spanish phrases before making a trip. In Nicaragua, they stay in a hostel in the SOL Bank Building in Ciudad Dario. In El Salvador, they stay in a comfortable but basic hostel or hotel in Chalatenango.