This document summarizes the responses from 52 questionnaires evaluating an exchange activity program between prisons in several European countries. The majority of participants found the activity interesting and enjoyed communicating with people from other countries. Respondents reported feelings of surprise, curiosity, and happiness. They felt it improved their creative skills and language skills. The most enjoyable aspects were sending positive messages to others, the classroom atmosphere, and learning about other cultures. Some participants felt it was unfair that prison conditions varied between countries. Overall, respondents found the activity useful, especially for their emotional well-being, knowledge, and creativity. Suggestions for future activities included providing more time, enabling more personal contact, and organizing exchanges based on shared interests.