A kit for a prosthesis system includes a plurality of first components, each of the plurality of first components for replacing one of a plurality of first surface portions of a bone, a second component for replacing a second surface portion of the bone and a resilient connector for connecting at least one of the plurality of first components to the second component. The kit can be used in a method in which components from a prosthesis system kit are assembled in vivo to replace adjacent portions of a bone surface.