Three on an Island(1986)

Original title: Трое на острове

Boy Borya reads a book about pirates instead of doing homework. He tears off the handkerchief from the parrot's cage, flaps it and exclaims: "I would like to be on an uninhabited island!" The mirror on the wall grows and opens directly to a tropical island, Borya's desire is fulfilled. Quite quickly, Borya discovers the magic properties of the scarf and calls friends to him: Yura and Mila.