This pattern matching puzzle stimulates the brain and is fun for children and seniors alike. ● The text contains over 140 questions. ● Develops creativity and concentration. As the levels increase, the number of cubes used also increases, so a frame board that matches the number of cubes is included. By stacking the cubes, you can also create three-dimensional works. You can also freely create patterns or play with them as building blocks. ■ Size Cube: 3 x 3 x 3 cm Tray: W19.3 x H1.8 x D19.3 cm ■ Manufacturer Ed.inter The instruction manual and box have scratches and tears. The cubes have small scratches, but there are no problems with use, and you can still enjoy playing with them. Alcohol disinfection has been completed. This item has been stored at home. Please purchase if you understand that it is a used item. #COCO educational toys Other items are also on sale.