Abstract: At least one first poker chip case is provided which includes a case body having a cavity, an opening to the cavity, a bottom outer surface, and a case lid operative to close the opening. The case lid includes a top outer surface. The cavity includes at least one cavity wall and a plurality of divider accepting slots spaced apart along the at least one cavity wall. At least one divider is operative to slide into any one of the plurality of divider accepting slots. The cavity is operative to support a plurality of poker chips therein in stacked relation. The top outer surface and the bottom outer surface include interlocking features which are operative to co-operatively engage respectively with at least two bottom surfaces and at least two top outer surfaces of further cases placed above and under the at least one first case in stacked relation.