On July 3, 2023, in the Public Kindergarten named after Winnie the Pooh in Sarnów, in the group of Tigers, classes on ecological education were held, organized as part of the project “Little with age, but big with eco-heart!” project number: 2022-3-PL01-ESC30-SOL-000097905. The course began with a lecture on “Environmental protection, taking care of nature and vegetation.” During the lectures, children broadened their knowledge about the proper management of municipal waste, water protection and water management, climate protection, waste segregation, learning about the causes and effects of staying in polluted air. Preschoolers also got to know the world of plants and animals and nature. The lecture on ecology was supplemented by an educational film entitled “How to care for the environment?” and the movie “In contact with nature”. At the end of the classes, all participants of the project made their own work: Elephant from Africa.