My thick coat and princess petite feet and the 7 elephants

Albert Wendt is a German children's book author, whose plays "My thick coat" and "Princess petite feet and the seven elephants" were premiered on the Berlin Volksbühne in 1982. (Source: Wikipedia) Princess Zartfuß (petite feet), very corpulent, and her husband, Dr. Ing. Mäusel, are traveling in the volcanic mountains when the road is blocked by a boulder. Even a circus with seven elephants, a conductor and a crane driver are stuck. Princess Zartfuß has the crazy idea to hoist the elephants on the rocks and have them dance for a homemade concert. And the unbelievable happens: The fat princess succeeds in doing what the elephants cannot do on her own: she dances so wonderfully that the rock sinks ... (Source: theatertext.de)

https://volksbuehne.adk.de/deutsch/volksbuehne/archiv/spielzeitchronik/1980_bis_1990/index.html

https://www.theatertexte.de/nav/2/2/3/werk?verlag_id=henschel_schauspiel&wid=345&ebex3=3

https://de.wikipedia.org/wiki/Albert_Wendt_(Kinderbuchautor)#Theaterst%C3%BCcke