Shimajirou no Wow! Movie 8: Shimajirou to Soratobu Fune

The film's story centers on Jin, an inventor squirrel who lives in Greenwood, a land far beyond the sea. Rain has not come to Greenwood in a long while, and to solve the land's problem, Jin decides to build a flying ship to make the rain fall, and enlists Shimajirō's help. (Source: ANN)