The Fool of the World and the Flying Ship (1990)

Based on a Russian folk tale. A proclamation went out through all the land that whosoever could build a flying ship would win the hand of the Tsar's daughter. The youngest son of a simple peasant shows up to claim her, and the dumbfounded Tsar quickly has second thoughts, setting several 'impossible" tasks for 'The Fool of the World' and his remarkable friends.