A litter box assembly for holding cat litter may include a first litter box and a second litter box being stackable with the first litter box. The first litter box may include a first bottom having an downward extending first disk with an aperture, and the second litter box may include a second bottom having a downward extending second disk with an aperture. The first disk may not align with the second disk while the first litter box is stacked with the second litter box.
