A small animal habitat in the form of, e.g., an automobile and a method forcouplingrespective halves of a small animal habitat. The small animal habitat includesa top shellportion, the top shell portion including a plurality of top wheel portions,each of the top wheelportions forming a top half of a respective wheel section. The habitat alsoincludes a bottomshell portion, the bottom shell portion having a plurality of bottom wheelportions, each of thebottom wheel portions forming a bottom half of a respective wheel section.Additionally, aplurality of assembly rings are provided, wherein each assembly ring isconfigured to couplethe top wheel portion to the bottom wheel portion of a respective wheelsection so as to holdthe top shell portion and the bottom shell portion of the small habitat inengagement.