Creative imagination is a psychic process of creating a new original image, idea or art work based on the acquired knowledge, skills, and abilities as well as on the experience of creative activity. The best of all primary school learners' creative imagination develops at the lessons of visual art, aimed at teaching them to understand what is beautiful in art, as well as through their being involved in the creative process and creating art works themselves. This paper provides the characterization of the psychological process of imagination, and deals with the importance and dynamics of the development of primary school learners' creative imagination in lessons of visual art when depicting a portrait, and it also looks at a visual art teacher's role in organizing the educational process of developing learners' creative imagination in a sustainable education process.