It is used to test the basic knowledge and skills of children who have difficulties in kindergarten before the age of 6 years and 4 months (due to the lower limit age of the intelligence test) and who are hesitant to start primary school. It is a test to determine whether children are ready for school, school rules and learning. It is used to evaluate the physiological, environmental and mental factors that should be present during preparation for school. It consists of 7 sections and 90 items including subtests on number concept, form discrimination, color concept, symbol matching, receptive language development, perception and reasoning development, expressive language development and general acquired knowledge.