Chengdu yisida educational technology limited liability company   

With yisida literacy Rubik's cube, literacy is so simple Play 10 minutes a day, 1000 Chinese characters half pass Yisida language learning tool for learning the Rubik's cube is composed of a series of revolutionary language teaching senior expert Mr. Ruan Jie invented by children. It includes Chinese characters (read) the Rubik's Cube Rubik's Cube Rubik's cube, English, Chinese language teaching, English Teaching of reading the play Rubik's cube, multiple synchronous teaching method etc.. ...