My teacher had a Heinkel. He once got stuck in his small shed because it didn’t have a reverse gear !Believe it or not, this is a BMW Isetta...mid 1950s....Made from View attachment 657252leftovers from WWII...I remember them....there was a similar vehicle marketed by Heinkel, made from old Bomber turrets....known as a Bubble Car
Gosh... than neuron activation hits hard... ob both of them