I don't think it is necessarily fair to rate, or write a movie review, about a film that was made so long ago and yet is to be judged by our current sensibilities. After all, how can we, with a lifetime of entertainment that has long since advanced beyond the 1930s in artistic style and merit, be fair judges? We are used to something so much different.
Nonetheless, if we try to look at this film on its own terms, I think it would be fair to say that this movie is at least a fine representation of film from the era it was made within. Will every modern viewer enjoy it? Perhaps not.
But if the viewer can put aside their modern expectations for a brief hour or so, and look with the eyes of the past, they may see in this a charming, worthy version to entertain and teach for a brief moment in their lives.
Then, they can easily return to all the advanced special effects and artistic cues they have long since grown to expect.
But for a moment - the space of this film - the past might actually have a charming, enjoyable voice.