Thank you for viewing my listing among many others. This is a set of "Montessori First Blocks" + "OKOMEIRO S". This is a great value 2-piece set combining blocks made from sustainable materials. Both are block series using "OKOMEIRO," an environmentally friendly material made from old or broken rice that is not suitable for consumption. These are noteworthy educational items that are considerate of both people and the environment. Made in Japan. ■ Montessori First Blocks Publisher: Gentosha edu In addition to 84 blocks, it comes with a 40-page dedicated play guide to foster concentration, spatial recognition, and thinking skills. It includes challenges based on the Montessori method, such as sorting, comparing heights, and symmetry, presented in stages, which encourages a spontaneous desire to "try it." ■ OKOMEIRO S Manufacturer: Kawada A compact trial size with 3 colors. The blocks have rounded corners, making them easy for small children to assemble and disassemble. They are also compatible with traditional Dia Blocks, making them useful as additional blocks to expand play possibilities. [Set Contents] - Montessori First Blocks (84 pieces + play guide) - OKOMEIRO S (3 colors) [Target Age] - 3 years and older [Condition] - New and unused This set is recommended for those who want to start educational play, creative play, and sustainable education all at once. Please understand that this is a home-stored item before purchasing. OKOMEIRO S will be removed from its box and shipped compactly packed as shown in photo 13. Immediate purchase is welcome.