A pet activity module having a substantially square or rectangular base for contacting a support surface when in use, substantially parallel back and front walls extending orthogonally from said base and substantially parallel side walls extending orthogonally from the base, the substantially parallel front and back walls being orthogonally joined to the substantially parallel side walls, the base, front, back and side walls together creating an internal volume sized to receive a domestic cat, a plush fabric applied to the base, a fabric creating scratcher surfaces, at least one scratcher surface being within the interior volume and at least one scratcher surface being on an exterior surface of at least one of the back, front or side walls of the module.