2x2: Fangshi Shishuang 50mm
3x3: Yuxin 3x3
3x3 backup: Rubik's brand 2.0 (Very, very fast, and smooth)
4x4: Yuxin 4x4
4x4 backup: Shengshou V4
3x3: Yuxin 3x3
3x3 backup: Rubik's brand 2.0 (Very, very fast, and smooth)
4x4: Yuxin 4x4
4x4 backup: Shengshou V4