Along with the 120 children, another 30 adults who conform The Blue Family (because they wear blue shirts) will complete the journey. They are leisure time monitors, doctors, nurses, drivers, logists, cameramen/women and journalists.

In spite of having previous experience in this kind of initiatives, they will receive a specific three-day training focused on preparing for the EuskarAbentura 2019 expedition, in addition to agreeing and establishing certain protocols and criteria.