【Kiriyo Gakuen High-Level Elementary School Entrance Exam Field-Specific Workbook: Perfect Comprehensive Problems 3 - Quantity】 Size: A4 Price: ¥1,100 This workbook helps students naturally develop their skills in the quantity field with a variety of problems, including "Estimation" and "Water Volume." I am selling this because the entrance exams are over. I used a copy, so the problems are not filled in.