Abstract: An assembly for collection and disposal of feline waste, the assembly including a first, a second, and at least a third upwardly opening vessel, each vessel among the first, second, and at least third vessels being substantially identical to each other vessel among the first, second, and at least third vessels, and each vessel among the first, second, and at least third vessels having a peripheral wall having an upper edge, each peripheral wall having an upwardly opening door notch; and including releasably attaching tab and slot combinations connected operatively to the first, second, and at least third upwardly opening vessels, the releasably attaching tab and slot combinations being adapted for, upon mirroring positioning of any two vessels among the first, second, and at least third upwardly opening vessels with respect to each other, holding those two vessels in a pet house configuration.