The DaYan ZhanChi is back! With its first 3x3 release in over 6 years, DaYan has completely revamped the classic ZhanChi with modern speedcubing features while preserving some of the basic design aspects from the original puzzle. The ZhanChi 2017 features more rounded centers and a capped edge and corner design, along with grooves along the interior for a smoother feel.