tea utensils; tea-things
General term for implements used in preparing and serving tea, such as teapots, cups, and scoops.
His hobby is collecting tea utensils.
tea caddy; container for powdered green tea
Specifically the small lidded container used in the Japanese tea ceremony to hold matcha powder.
この茶器は中国製だ。
These tea-things are made in China.
In the tea ceremony, matcha is kept in a tea caddy.
tea set
Compound of 茶 (tea) and 器 (utensil, container). The specific tea-ceremony sense developed from the general meaning.