Kumon English F Materials Missing numbers F46-50 F71-100 F121-140 F171-195 These materials were used by my child last year and are all used. There are pencil markings and red pen corrections. I will ship them as they are, without erasing anything. The name will be erased with a marker or correction tape. I think they are in relatively good condition. Please understand that these are used items. Please refrain from canceling after purchase. Thank you. Instant purchase is OK. *If you purchase multiple items, we may be able to offer a discount on shipping. Please comment before purchasing.