Entrance Exam Preparation for Elementary School: Advanced Strategies Top Secret Series Serious National University Entrance Exam Preparation: Wakagiri 21 Target Age: 6-year-olds For passing the entrance exams of Tsukuba University Elementary School, Ochanomizu University Elementary School, and Gakugei University Elementary Schools (4 schools total) Price: 2,200 yen Published by Kyoiku Tosho 21 Opened once, but unused. For those who understand that this is a used item.