Kamen Rider Build: Transformation Lessons ~The Laws Of Transformation Are Set!~

仮面ライダービルド 変身講座 〜変身の法則は決まった!〜

Kamen Rider Build: Transformation Lessons ~The Laws Of Transformation Are Set!~ is a web-exclusive series of Kamen Rider Build, which is released on Bandai JP's official YouTube channel, accompanying the airing of the main series' episode.

Sinopse em inglês; tradução ainda indisponível.