Ключевые слова: art, biology, child, childhood, children, class, coaching, conservation project, creative, creativity, diy, drawing, ecology, education, environmental, environmentalism, environmentalist, grundschule, holiday, holiday camp, kids, know, learn, lessons, loupe, magnifying glass, natural history, nature, nature conservation, outline, pen, people, plans, primary school, private lessons, pupil, school, science, scientist, summer, summer camp, summer school, sustainability, tinker, together, training, tutoring camp, vacation, vacation course, young,