RecruitingClinical trialThe Effect of Mandala on Anxiety and Fear Levels in Children With Leukemia Before Intrathecal Chemotherapy TreatmentThis study aims to examine the effect of mandala coloring activity, administered before intrathecal chemotherapy treatment in children with leukemia, on pre-procedure anxiety and fear in children. The main question this study aims to answer is: Does mandala coloring administered before intrathecal chemotherapy treatment reduce pre-procedure anxiety and fear in children with leukemia? Descriptive demographic data will be collected from the children who will be given mandalas. Data will be collected using an Anxiety Scale and a Fear Scale.