The Messerschmitt KR200 microcar was, and remains, the most inspiring example of the bubble car genre; A small, instantly recognizable, three-wheeled tandem-two-seater, bearing aviation's most powerful brand names.
Targeting solid German citizens too wealthy for a scooter, but not wealthy enough for a car, the Messerschmitt Bubble Car eventually achieved coveted status.
At the end of World War II, survivors of ruined Germany were picking around the rubble. Among the human casualties were significant numbers of disabled soldiers.
Fritz Fend, a former Luftwaffe technical officer, had acquired a small workshop, where he began to experiment with ultra-simple personal transport – a 'flitzer' (meaning to dash together): the crank and lever. A human-powered tricycle employed by the handicapped is used by the disabled.