Artitecture design of a container building

No more than four containers are required to design a small container building design on a playground open space. The specifications of the container can be: 20ft container size 5.9m*2.35m*2.39m or 40ft container size 12.03m*2.35m*2.39m
Drawing requirements: 2-3 A2 drawings, including: general plan 1:500, elevation, section 1:100 (engineering drawing standard), single plane and elevation, concept generation and analysis
Topic pictures, model photos, other performance pictures.
The following functions are available for reference (include at least two):
1.fitness training area
2.stretch relaxation area
3.leisure retail area
4.separate dressing area