All the King's Horses: For the Twenties, this is a pretty forward-looking way to explain electricity to kids. The "Horse power" theme was a novel way to catch young folks' attention. As agitprop, it surely matches anything the Soviets had at the time. Cinematicially, the shot from UNDER the horse stampede feels ahead of its time. As for the title cards there's some nice writing, esp toward the end;