Children's artistic expression needs to be encouraged and developed through artistic activities. The preparation of art activities includes the preparation of educators, the preparation of painting accessories, the content of the activity and reflection on the conducted activity. Children's artwork is a work of art that shows a child's vision of the world around him. Art works reveal the developmental stage in which the child is and possible difficulties in the course of development. It is important that the educator knows the children and their abilities to adapt the materials and ways of working. The final work is formed in two parts. The first part talks about painting techniques in general, especially those most commonly used in working with preschool children. The paper also lists the elements of a painting, which shape a work of art. The second part of the final paper presents children's understanding of color, the importance of art activities in kindergarten and painting techniques in working with preschool children. New experiences and skills in children are developed by exploring the new. The aim of the art activities carried out in the kindergarten was for the children to explore the tempera technique by painting according to flower motifs. The practical part of the final work was realized at a distance in cooperation with the educators of the kindergarten Cipelica in Čakovec, due to the precautionary measures of the CNIPH due to the Covid-19 pandemic. 6 years under the guidance of educator Paula Zuzel.