
A student plays magic cube during an activity at a primary school in Hohhot, north China's Inner Mongolia Autonomous Region, Sept. 12, 2017. The activity aims to enhance students' thinking, memory and responding abilities. (Xinhua/Ding Genhou)

A student plays magic cube during an activity at a primary school in Hohhot, north China's Inner Mongolia Autonomous Region, Sept. 12, 2017. The activity aims to enhance students' thinking, memory and responding abilities. (Xinhua/Ding Genhou)