Mtoys Atelier Tunnel Cube Pythagora Wooden Blocks [Manufacturer] Mtoys Atelier Yoichi Matsushima [Product Name] Tunnel Cube Pythagora Wooden Blocks [Product Condition] This item has been used by a child, so there may be some signs of use such as scratches and dirt, and some slight staining of the wood due to storage. However, it is in relatively clean condition, with all parts present, and is an item that can be played with without any problems. [Product Description] Wooden toy "Tunnel Cube" designed by Yoichi Matsushima of Mtoys Atelier. You can enjoy playing with it, using your imagination like a Pythagoras Switch. You can create your own course using 16 cubes with a 6cm base and 8 half-sized blocks. By thinking carefully and moving your hands, it has a positive effect on brain development. In addition, it can cultivate imagination and discrimination ability, and high educational effects can be expected. - Material: Wood - Set contents: 2 balls, 16 blocks - Size: Block diameter approx. 5cm - Features: Educational toy, building blocks, ball rolling - Storage case: With wooden storage case