兜 is a Japanese kanji written with 11 strokes, listed here under the keyword “helmet”. It is built from 白 (white) and 儿 (human legs). In Remembering the Kanji by James W. Heisig it is frame 2870.
On KumiJi Glyph Explorer, open the parts search and type “white” + “human legs”. 兜 is among the results, together with every other character containing the same shapes.
Open 兜 in the interactive kanji search
to expand every part down to its smallest pieces, add your own names and mnemonic stories,
or search for other characters by their parts.