There are 2 complete racks, each with 2 levels. These are injection molded out of grey and orange ABS plastic (same as legos) and can be painted, and glued. 
 
These include 4 laser cut balsa wood shelves.
 
These are (scaled) 8 foot tall, 8 foot long, and 4 foot deep.
 
These can be glued up out of the package and displayed. No painting required.