6-year-old girl sets Rubik's Cube speed record, Chinese state media say
Lian Yunzhi, who practices 2 to 3 hours daily, has become the first female speedcuber to average under 4.5 seconds in competition, according to Chinese state media.
<p>Lian Yunzhi, who practices 2 to 3 hours daily, has become the first female speedcuber to average under 4.5 seconds in competition, according to Chinese state media.</p>