・This is six months' worth of unused educational materials. (Includes textbook, answer key, tests, and test answer keys. Some months may be missing test answer keys.) ・Also included is a Z-Kai Elementary 5th & 6th Grade Thinking Skills Mini Workbook. ◆Important Notes ・These items have been stored by an individual, so please refrain from purchasing if you are looking for the same quality as a retail store. ・The mailing envelope has been opened because it contained address information. ・We do not plan to sell items separately.