Cast
Sun Jingji(voice)Sun Jingji was 4 in Rubik's Cube Building - Season 1 - Episode 4 (Episode 4).
Birthday: Sun, Oct 27 1985
Huang Chengcheng(voice)Huang Chengcheng was 4 in Rubik's Cube Building - Season 1 - Episode 4 (Episode 4).
Birthday: Sat, Feb 09 1985