Sketch CollectionSketch Collection1989Queuebrick VideoQueueLWatchedWFavoriteFListsDiscussionWhere to watchCopy short link1989Sketch Collection10m·AnimationDirected by Cao Xiaohui, Liu ZuofengAnthology of animated sketches from the Beijing Science Film Studio.DirectorCao XiaohuiDirectorLiu ZuofengOverviewDiscussionCastCrewDetailsWhere to watchNo cast listed.