This pair of 2 pin Female/Male header strips is very useful for Arduino board extensions. They can be used with any Arduino shield because of their height.
These are assorted headers that are great for many projects. They are spaced with the standard 2.54mm or 0.1". (5) 2, 3, and 4 pin headers. (3) 5 pin headers, and (2) 10 pin headers.
These are 6" inch diameter Mecanum wheels with custom shafts, lock collars, and bearings.
This package includes all the items you would need to make a robot drive to GPS waypoints autonomously.