Around 40 participants completed the online training the trainers of CraftEdu project at the end of May. The project is focused on improving practical skills in selected craft professions. The participants of the training were introduced to training and teaching materials, which can still be supplemented and commented on. Modern buildings are demanding on the accuracy and quality of construction. The new building materials and technologies are a new challenge not only for young future craftsmen, but also for today's experienced workers, who have to adapt to new trends in construction. Training materials will not only be available to secondary professional schools, but also for craftsmen as a part of lifelong education.