yomujp.com/series/%e6%bc%a2%e5%ad%97%e3%81%ae%e3%83%91%e3%83%bc%e3%83%84/
A series of articles introducing kanji organized by their radical components, such as earth radical, fire radical, and clothing radical.
Kanji and kanaReading practiceIn JapaneseKanji radicalsJLPT N3Graded readers