Final film of Patsy Rowlands.
The kingdom in the film is called Corazion. This is close to the Spanish word corazon, which means 'heart'. As such, the entrance to the main city is a heart-shaped gate. Also, Daria sings a song called 'My Kingdom of the Heart' (unaware that she is Corazion's true princess).
For this and The Velveteen Rabbit (2009), Feature Films for Families has putted up the "Producers Guarantee" for theatergoers in its limited theatrical release period. Through it, they will enjoy the film with the understandings of its values that only FFfF can produce & distribute, usually occurred on home video. If they doesn't understand the values, they will get a free video through the Feature Films for Families' website.