# What's in the Box (Pre-production version)

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These pages for REFERENCE, skip to the [Mechanical assembly guide](https://nxp.gitbook.io/mr-b3rb/hardware/mr-b3rb-mechanical-assembly-guide) for actual assembly
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The MR-B3RB is a "kit of kits", therefore, components are grouped to sub-pages relating to their sub-kits. 

These sub-pages will describe the individual sub-kit. Each page contains a components table which enumerates all the parts that are included in the kit.

The diagrams on the pages contain the pictures of the parts. 

The parts are labelled with their corresponding serial numbers, either directly in the diagram or in the heading of the diagram.\
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To understand the possible configurations please refer to the[ Naming and Versions page](https://nxp.gitbook.io/mr-b3rb/archive/b3rb-naming-and-versions).