"Z-Kai Grade Up Problem Collection Elementary School 1st Grade Math Calculation/Figures" Price: 800 yen Z-Kai Editorial Department #Entertainment/Hobbies #Language/Reference Books "Z-Kai Grade Up Problem Collection Elementary School 1st Grade Math Word Problems" Price: 800 yen Z-Kai Editorial Department Without obi (paper band) #Entertainment/Hobbies #Language/Reference Books Unused, but please refrain from purchasing if you are nervous about home storage. Please note that we will ship it as is in a宅配袋 (delivery bag)!