The annual CanSat competition was held for the fourth time in Vaasa from March 27 to March 30, 2025, bringing together 11 teams from across Finland and Estonia. Participants came from Espoo, Kokkola, Oulu, Pyhäjoki, Tampere, Hämeenlinna, Järvenpää, Helsinki, Lahti, Vaasa, and Tallinn. The participants, aged 14–19, were lower and upper secondary school students competing…