How many kinds/types (of something); used to ask or state the number of different categories.
このバッグは何種類ありますか？
How many types of this bag are there?
チーズは何種類か試してみたい。
I want to try several kinds of cheese.
イベントには何種類の屋台が出る予定ですか？
How many types of stalls are scheduled to appear at the event?