A packaging assembly comprises a case configured to contain a plurality of injection devices for delivering a medicament; a lid coupled to the case and movable between an open position and a closed position; a countdown timer configured to monitor a time remaining to a scheduled time; a sensor configured to output a signal representative of a change in position of the lid from the closed position to the open position; a reminder alert configured to activate once the scheduled time has been reached, and deactivate based on the signal received from the sensor; and a reset input device; wherein the packaging assembly is configured to respond to operation of the reset input device by a user to set the scheduled time.