Delivery reception system, assemblies, and devices are shown and described. In one embodiment, a universal delivery reception unit includes a chassis frame, a first insert module secured within the chassis frame, and at least a second insert module adjacent the first insert module and secured within the chassis frame. The result is a universal delivery reception unit for temporarily receiving and storing independent deliveries at a site.

A modular container stack (10) comprising one or more stackable containers (100). The stackable containers are adjacently packed in one or more lateral planes (101) and stacked along a longitudinal direction (102) for forming a stack. Each stackable container (100) provides an internal storage space for storing a respective object. Each internal storage space is adapted to substantially match dimensions of the respective object. Each stackable container (100) comprises a door (120) on an exterior side of the stack facing a lateral direction, and a locking device (130) for locking the door (120). A fixation mechanism (200) is arranged for fixating the stackable containers (100) with respect to each other. The fixation mechanism (200) comprises a first mount (210) and a second mount (220) at an adjustable distance (D) from the first mount (210). Opposing ends of the stack facing the longitudinal direction are mounted between the first and second mount (210, 220).

A collapsible safe box that can be removably or permanently affixed to a structure. The collapsible safe box may include protractible and retractable side member, bottom member, and lid. The collapsible safe box may include one or more electronic devices to monitor and operate the functioning of the safe box. In examples, the collapsible safe box may include means to allow for remove operation.