official version

Size:66x66x66 MM

weight: about 120g

Also called

WitEden 26-sided shape Mixup Magic Cube

or 

WitEden  rhombicuboctahedral Mixup Magic Cube

Video:https://youtu.be/_sKrQubtW6w or  https://youtu.be/sCcLlYpmpJI

       独孤信(502年-557年),独孤信是中国历史上具有传奇色彩的风云人物，这不仅体现在他能征善战、屡立奇功上。最重要的是他生了三个贵为皇后的女儿，这在历史上实属罕见,人们经常称独孤信为“三朝岳父”，中国历史上“最牛老丈人”。

       独孤信多面体煤精组印章，1981年出土于陕西省。独孤信印章是一枚用煤精制作的印章，收藏于陕西历史博物馆。呈球体8棱26面，其中正方形印面18个，三角形印面8个。

    Du Guxin (502-557), Du Guxin is a legendary figure in Chinese history, which is not only reflected in his ability to fight well and make outstanding achievements repeatedly. Most importantly, he gave birth to three daughters who were valued as queens. which are rare in history. People often call him "the father-in-law of the three dynasties" and "the Most cow father-in-law" in Chinese history.

    Duguxin Polyhedral Coal Precision Seal, unearthed in 1981 in haanxi Province. Duguxin Seal is a seal made of coal, which is collected in Shaanxi History Museum. It has 8 edges and 26 surfaces, of which 18 are square and 8 are triangular.