The Golden Thing(1972)

Eleven-year old Jason and his companions, including Hercules and Orpheus, go with the ship "Argo" in the search for the Golden Fleece. With wit and cunning to overcome various obstacles until they reach the destination of their fantastic journey. The experiment is not only due to the popularization or naive glorification of a myth, but the search space occupied by fact that the heroes of antiquity were actually very young.