The animated film is distinguished by a deep degree of romance and moral purity.
Creators of the film used a magnificent musical arrangement and a song that accurately reflects the meaning of the plot.
The song "Dolphins Speak" performed by Olga Rozhdestvenskaya, sounds in the animated film, which is also the main musical theme of the film.
The animated film has been repeatedly released on DVD in collections of cartoons: "The Mystery of Toys".