Thank you for viewing. Until 4:00 PM on December 16th (Tuesday), it's on sale for 450 yen, a 100 yen discount from the original price of 550 yen. [4th Grade - Calculation] (Lower) Yotsuya Otsuka Yosyu Series Purchased new in 2023. Upon inspection, 35 pages out of 154 pages had been completed. Please understand that there may be oversights due to amateur inspection. I think the remaining 119 pages would be perfect for calculation practice. Please check the condition in the photos and only purchase if you are satisfied. I do not have any pets, and I do not smoke. For those who understand that this is a used children's item stored at home, thank you. Original price: 880 yen Yotsuya Otsuka Waseda Academy Yosyu Series Grade 4 Calculation