SAPIX 4th Grade Math - All of 41B01-17 are available. Explanations - Of 41B01-17, only 12 is missing; all others are available. - Math 41A01-17 Textbooks - All available. - Math 41A01-17 Answer Keys/Explanations - All available. Basic Skills Trading 41S-02 to 06 For management, holes have been punched and they are stored bound with string. Please refrain from purchasing if this is a concern. Please only purchase if you understand that these are used, pre-owned items. Please only purchase if you understand that these are pre-owned items. *As these are materials used in class, there are general markings throughout, but they will be listed as is. There are also some tears. *Names have been erased with an eraser. *Due to the large quantity, please understand that there may be oversights. Holes were punched after each use and stored together. Materials that were repeatedly reviewed have index tabs attached and will be listed as is. - Please understand that there may be tears, dirt, or folds as they were used and stored by a child. Please refrain from purchasing if you are sensitive. - Due to the nature of the product, we cannot accept cancellations, returns, or refunds. Thank you for your understanding. #SAPIX