What is whole kit?

Some articles on kit:

Kit Carson Scouts - Expansion
... Early in the war and the life of the Kit Carson Scout Program, the most obvious barrier to expansion was that few Americans could speak the language, however the program developed despite this ... aware of the program and soon after the Kit Carson Scout Program expanded to other American units throughout Vietnam ... North Vietnamese officers were added, and these Kit Carson Scouts also became valuable sources of intelligence in the conduct of the war ...
Kitmaster - Models
... The 00/HO gauge models consisted of - Kit No 1 - Stephenson's Rocket Kit No 2 - BR Class 08 diesel shunter locomotive Kit No 3 - USA 4-4-0 Locomotive The General Kit No 4 - LMS ...