Described herein is a package delivery kiosk (PDK) including an integrated robotic package lifting assembly and shelving system. The system includes a PDK, associated front end and back end package delivery management systems, including portals for the consumer, retailer, common carrier, sender, and recipient, a package inventory management system, integrated retailer access, and a real and automated retailer bidding system. The shelving system has shelves with receiving apertures and dividers configured to fit into the receiving apertures, where the dividers each have a receiving slot. A package retrieving apparatus includes a base, a vertical support interconnected with the base, and a package picker module. The package picker module is oriented to move up and down on the vertical support. The package picker module includes grippers configured to surround and grip the object. A kiosk includes a kiosk body having a package delivery slot and an interface slot.