Thank you for viewing. ・Instant purchase is welcome, priority given to those who purchase immediately. ・If you purchase with other items, we will offer a small discount. Please consult us in the comments. 【Product Details】 ・Building Blocks Library - Level 4 　CD booklet set, all 6 books Please refrain from purchasing if you are nervous about the item being stored by a non-professional. If you have a specific packaging method you would like, please consult us in the comments.