四大发明儿歌 The Four Great Inventions in Ancient China

Four Great Inventions of Ancient China: Printing (subtitles)Подробнее

Four Great Inventions of Ancient China: PrintingПодробнее

Four Great Inventions of Ancient China: Papermaking (subtitles)Подробнее

The Four Great Inventions of Ancient China - 四大发明Подробнее

《STEAM之四大發明》觀眾訪問．"STEAM-The Four Great Inventions" Audiences InterviewПодробнее

進念兒童劇場- 《STEAM之四大發明》印刷術Подробнее