The MoYu Aosu is an excellent 4x4 speedcube. Improving on its predecessor the Weisu, the Aosu 4x4 offers increased stability, improved corner cutting, and extremely fast turning. This puzzle features excellent layer rotations for both inner and outer layers, and lock ups are very rare.
The MoYu Aosu 4x4 was used in the 21.54 second world record by Feliks Zemdegs. Watch it below:
Size: 62cm x 62cm x 62cm
Release Date: 04 January 2014