A device, system, and method for loading empty and formed six-pack bottle carriers into a larger case (i.e. a multi-pack) is provided. The packaging device includes an upper portion and a lower portion. The six-pack carriers are formed by unfolding them in the upper portion. Various components are associated with the upper portion of the packaging device. The case receives a plurality of six-pack carriers therein. The larger cases is formed by unfolding them in the lower portion of the packaging device. Various components are associated with the lower portion of the packaging device. The upper portion and lower portion operate simultaneously to efficiently produce a case have empty six-pack carriers placed therein for later filling with bottles at a downstream destination. The system includes the machine, the cases, the six-pack carriers, and the bottles, operating collectively.