This short-term exchanges of groups of pupils consisted of a physical mobility of expert teachers and students (GROUP 2) to Slovakia and a virtual learning mobility before and after the physical mobility. The focus of this mobility activity in Slovakia was the use and development of smart energy devices. The focus of this activity is to show all knowledge to a broader audience on a final event. PREPARATION PHASE: Preparation by all partners before the physical mobility to Slovakia was realized through virtual learning between partners on the following topics – finalizing practical setup and workshops – preparing presentation of own final work – preparing presentation of final event Preparation of sending partners (Belgium): preparing all necessary actions, dealing with the physical mobility such as: – student selection – communications and agreements with the parents – transport booking – insurance – arrangement in school (exchange hours with other teachers) Preparation of receiving school (Slovakia) – arrangement of accommodation for the incoming visitors – preparation lab set up – computer infrastructure – arrangements of cultural activities – declaration form – arrangement in school (exchange hours with other teachers) PHYSICAL PHASE: Students and teachers exchanged information during: – setup practical realization – preparation of final event – giving a presentation during the final event to external people from industry, university, alumni,… We visited also Energoland, museum of energy situated near a nuclear energy plant. EVALUATION PHASE: evaluation by all partners after the physical mobility to Slovakia was realized by Google Forms an conclusion was: – accommodation: very good, only bad WiFi but we could solve the problem as technicians – workshop: the students worked very hard on their workshop and they were motivated, they showed it during the presentation – cultural activities, students of Belgium – students kept in touch with each other.