Thank you for viewing this product from among many others. This is a set of Montessori First Blocks + OKOMEIRO (Okomeiro) S. This is a great value 2-piece set that combines sustainable material blocks. Both are block series using "OKOMEIRO (Okomeiro)", an environmentally friendly material made from inedible old rice and broken rice. These are noteworthy educational items that are considerate of both people and the environment. ■ Montessori First Blocks Publisher: Gentosha edu In addition to 84 blocks, A 40-page dedicated play guide to develop concentration, spatial awareness, and thinking skills. Tasks based on the Montessori method, such as sorting, comparing heights, and symmetry, are presented in stages, drawing out the child's initiative to "want to try." ■ OKOMEIRO (Okomeiro) S Manufacturer: Kawada A compact trial size with 3 colors. The blocks have rounded corners, Designed to be easy for small children to assemble and disassemble. It is also compatible with conventional Dia Blocks, It can also be used as an additional block to expand the range of play. 【Set Contents】 ・Montessori First Blocks (84 pieces + play guide) ・OKOMEIRO (Okomeiro) S (3 colors) 【Target age】 ・3 years old and up 【Condition】 ・New, unused This set is recommended for those who want to start educational, creative play, and sustainable education all at once. Please understand that this is a home-stored item before purchasing. OKOMEIRO (Okomeiro) S will be taken out of the box and packed compactly as shown in photo 7 for shipping. Immediate purchase is welcome.