Bottle Fairy (Dub)
Watch Bottle Fairy full episodes online English Dub
Other title: Binzume Yousei
Synopsis: Kururu, Chiriri, Sarara, and Hororo are four little fairies that live inside bottles on their “Sensei”’s desk. Together, they have misadventures trying to understand the human world, seeking advice from the totally misinformed grade schooler next door.
More info: Myanimelist, Wikipedia.