Unobvious Textbook [558140] Released: 1991-08-15 Revenue: $0 Budget: $0 Profit: $0 Runtime: 9 mins Popularity: 0.1601 Vote Average: 0 Vote Count: 0 Overview: Funny Monkey, omniscient Parrot, polite Elephant and pensive Boa start to learn mathematics. Cast [5] Nadezhda Rumyantseva Vasiliy Livanov Mikhail Kozakov Vsevolod Larionov Boris Vladimirov Trailers