What is the function of the particle に in this context?

<https://streamable.com/wnti04>

more specifically in the part that he says:

> 着替え **に** 洗面道具

> お茶セット **に** お皿

> 人形 **に** 花瓶
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2021-02-08T23:46:44.580
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question
grammar particle-に
What is the function of the particle に in this context?