The film was commissioned by the Hungarian government for the 150th anniversary of
Sándor Petőfi's birth. It was produced by
Pannonia Film Studio and was Hungary's first ever animated feature film. It was made by a team of 130 people and took 22 months to produce. The film's visual style was inspired by Hungarian
folk art and
George Dunning's 1968 film
Yellow Submarine, a favorite of the director. ==Legacy==