Part of the Kong Ming Lock puzzle family, QiYi KML KongMing Sphere (Transparent Blue) is a classic Chinese problem. Zhuge Kongming is credited with creating the toy around 2,000 years ago. The puzzle's components fit together flawlessly, making it incredibly popular among people. Kongming tasks vary in size, form, and internal structure, but they are often hard to construct and simple to dismantle. Some tasks could appear simple, but in order to complete them, you must comprehend how they are done. A mental battle of a lifetime.