Ketvirtokai, atrodo, yra pasirengę „užkariauti pasaulį”, nes to reikalauja jų bundantis Aš. Already familiar with crafts, building a miniature house, children change, feel stronger, more independent, ready to act, want to find their place in the environment, so they get acquainted with Scandinavian mythology, which has many images of fighting and heroism. The changed consciousness of the child allows them to have a deeper understanding of the diversity of the world around them, the connections between space and time.
In the fourth grade, new subjects are started: the science of animals, the basics of geography, history. From the introduction to the environment to the history of the homeland. Children perceive the surrounding world more objectively, looking for a connection with it, so they draw external and internal forms, various interweavings.