Instant purchase without comments is welcome! Thank you for viewing. This is a geometric cube building block set. Brand new, unused item. 【Features】 Develop spatial reasoning with colorful building blocks. These colorful building blocks cultivate a sense of geometry and spatial construction. Arrange and stack them according to the included problem cards to develop a sense of geometry and spatial construction while playing. ● Develop the ability to construct plane and solid figures. Arrange the building blocks to create the same figures as the pattern cards. Progress through the pattern problems in numerical order. Gradually step up from plane to solid figures, developing a sense of position and construction of figures. ● Develop insight and inference skills. Try to infer and create the unseen sides of the figures in the pattern problems. ■ Set Contents / 50 building blocks (10 of each of 5 colors), Instruction manual: 1 book, Pattern problems: 3 books (36 examples) ■ Size / Building blocks: 2.5 x 2.5 x 2.5cm ■ Package size: 14.5cm (height) x 14.5cm (width) x 6.5cm (depth) ■ Materials / Building blocks: Beech wood, Instruction manual/Pattern problems: Paper ■ Country of origin / Japan ■ Target age: 3 years old and up Type: Building blocks KUMON Publishing Geometric Cube Building Blocks Educational Toy Toy 3 years old and up KUMON 【Other Notes】 * Even if there are ongoing exchanges in the comments, the person who completes the purchase process first will be given priority. * The product page may be deleted without notice as it is also listed on other sites. Please understand. * There are no pets or smokers. * If you have any questions, please feel free to comment.