One happy day, Tongtong sang a strange song while walking, "e;Ding, ding! Dong, dong! Di, di! Da, da! Poop, poop! La, la! Du, du! Lu, lu!"e; Hearing this, his curious friends began to follow Tongtong one by one. The Panda Tongtong series of picture books uses stories and colorful illustrations to teach children about Chinese culture.
