Rens is a 15-year-old who enjoys playing piano and video games and wants to help people and have a sustainable ecological footprint in the future. Mirthe is 13 and likes playing violin, ice skating, and karate, with ambitions to help others and be environmentally friendly. Daphne is also 13, plays hockey, and wants to help or teach children while reducing her impact. Marijn is 14, plays piano and games, and aims to have a good job and green footprint.