Scrap Kits

 are mobile "Buildings" crafted using a Tech Lab or Wilson. NOTE: Make sure you are in a Settlement
 * unpacks in Workbench after you select them in your Aid Tab (Pip-Boy)
 * afterwards the building is available in your Workshop

Recipe

 * Basic Circuitry 6
 * Ceramic 4
 * Crystal 1
 * Rubber 1
 * Steel 15

Scrap Kit: Resource Station
These are also able to be build using Wilson in the Field.

Recipe

 * Aluminum 6
 * Basic Circuitry 10
 * Copper 2
 * Nuclear Material 10
 * Steel 24

Recipe

 * Basic Circuitry 6
 * Gear 2
 * Liquid Fuel 2
 * Rubber 3
 * Steel 8

Recipe

 * Cloth 4
 * Leather 8
 * Steel 8
 * Wood 18