As recorded by Ku Tieh-ching, people living in Soochow would often empty duck eggs, paint them, and make a hole to put in fireflies, creating "a firefly lamp" for children to play with.
根據清朝顧鐵卿所著的「清嘉錄」記載，蘇州人常挖空鴨卵，圖上色彩，再鑿孔放入流螢，成為「螢火蟲燈」，供小兒玩耍。