A vehicle-borne camera-based observation system for monitoring areas adjacent a vehicle or passenger vehicle, such as a bus or schoolbus, is disclosed, to provide safer operation for passersby, including for children, and driver convenience. Each bag of the block has a top edge, a bag mouth and opposite first and second side edges. A preferred embodiment of the present invention relates to systems and methods of dispensing samples of drugs or other medical products. The second enclosure takes the first angular attitude.