I’ve always wondered how these exquisite dolls were made, and stumbled on this video, just now;

The clothing on the female dolls is called “junihitoe” or twelve-layered kimono, and the style is from the Heian period (794-1185 A.D. for Westerners)

More information on the Doll Festival here;

http://www.kyohaku.go.jp/eng/dictio/senshoku/hina.html

Some examples of life-size junihitoe;

And in art (the first one is identified as Murasaki Shikibu, the author of The Tale of Genji)