- Country: Italy
- Genres: Drama, Short
- Release:
- Director: Paolo Rosa
- Writers: Laura Fredmer , Gennaro Fucile , Paolo Rosa , Gianfranco Manfredi
- Language: Italian
- Stars: Ida Di Benedetto , Ivano Marescotti , Andrea Novicov , Cochi Ponzoni
- Runtime: 30 min
- Awards: N/A
- AKA: La variabile Felsen (Italy) , La variabile Felsen
- Plot: N/A
- IMDB:tt1784508