The model is derived from parts from 'The LDraw Parts Library', and is therefore correctly scaled. In addition to the TurboSquid Editorial Royalty Free Licence please also see the Creative Commons Attribution Licence 2.0 ('CAReadme.txt' included in the various download files)
The Lego Sports Car model consists of 1202 objects (parts). The 3D files (Blender, OBJ and 3DS) contain each part as individual objects.
All colors/materials can be modified (27 color groups) either directly in Blender or using the materials file (.mtl) associated with the OBJ file.