The YJ ZhiLong Mini 4×4 M is an excellent Speed Cube that is equal in size to standard 3×3 Rubiks cubes- 56mm. Therefore, it is much more convenient to solve and is also very suitable for children and younger solvers. The magnets inside the cube make solving it very convenient and extremely fast. It is very suitable for both beginners and advanced enthusiasts who want to take their 4×4 speed cube solving to the next level. We highly recommend YJ ZhiLong Mini 4×4 M and we believe that in the future only more 4×4 models of this measure will be used in competitions.