the art specific elements disclosed herein are not to be interpreted as limiting but rather as a basis for the claims and as a representative basis for teaching one of ordinary skill in the art to employ the present invention it should be understood that the drawings are not necessarily to scale instead emphasis has been placed upon illustrating the principles of the invention in addition in the embodiments depicted herein like reference numerals in the various drawings refer to identical or near identical structural elements moreover the terms u201c substantially u201d or u201c approximately u201d as used herein may be applied to modify any quantitative representation that could permissibly vary without resulting in a change in the basic function to which it is related fig1 illustrates a perspective view of an exemplary embodiment of modular stacking system 100 with five stacking layers in use in the embodiment shown modular stacking system 100 is comprised of four stacking block columns 25 a 25 b 25 c 25 d each of which contains five stackable blocks 20 between each set of stackable blocks 20 in stacking block columns 25 a 25 b and each set of stackable blocks 20 in stacking block columns 25 c 25 d is cross member 60 when stacked stackable blocks 20 are self stabilizing and do not require additional vertical support components each stacking block column further includes horizontal stabilizing members 65 in the embodiment shown one horizontal stabilizing member 65 is placed through an aperture in the first stackable.