The final thesis covers one of the most significant Croatian modern artists, Ivan Kožarić. The aim of the thesis is to introduce his life and work and to entice children's creative thinking through activity examples. The thesis begins with Ivan Kožarić's life and his development into a modern sculpture. His membership in Gorgona and Croatian Academy of Science and Art, beginnings of exhibitions, handwritings, and studio, will be discussed. Furthermore, there will be discussions about his chosen work, monument to Antun Gustav Matoš on Strossmayer's promenade, "Grounded Sun” in Bogovićeva Street, and "Shapes of space" from which "Shape space - Refrigerator" will be additionally emphasized. After that, activities and incentives designed for work with older preschool children will be presented. Their goal is to familiarize and bring closer the modern art as well as entice children creativity through different art techniques. Authors own sculpture modeling of Kožarić's work will be presented. In the end of the thesis there is a thesis review, comment on prepared activities and the final word.