購 is a Japanese kanji written with 17 strokes, listed here under the keyword “subscription”. It is built from 冓 (funnel) and 貝 (shellfish). In Remembering the Kanji by James W. Heisig it is frame 1958.
On KumiJi Glyph Explorer, open the parts search and type “funnel” + “shellfish”. 購 is among the results, together with every other character containing the same shapes.
Open 購 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.