kit
n. countablen. a set of tools, clothes, or equipment that you need for a specific activity. It can also mean a collection of parts that you put together yourself.
n. a set of articles, equipment, or clothing designed for a specific purpose or activity. Often refers to a collection of components sold together for assembly.
I need to buy a new repair kit for my bicycle.
The football team arrived at the stadium early to change into their new home kit before the match.
The laboratory provides a specialized testing kit containing all the necessary reagents and sterilized equipment required to perform the analysis in the field.
From Ukrainian кіт (kit, “tomcat”).
Commonly used in British English to refer to sports uniforms; in technical contexts, it often implies a modular set of components.