This is the 13363rd most frequent Russian word.
набором
"Набором" means "by/with a set" or "as a set" in English, depending on context.
This sentence presents the usage of 'набором' as an instrumental case, indicating the means or instrument used for the action.
Я занимаюсь йогой с новым набором блоков и ремней.
I practice yoga with a new set of blocks and straps.
Here, 'набором' is used to represent the transformed state of the noun 'набор', implying grouping or categorization.
Этот столовый прибор сложно назвать набором.
This tableware set is hard to call a proper set.
In this example, 'набором' is employed to specify the instrument used, maintaining its traditional instrumental usage.