Teeny cars worth big bucks

• Horsepower: 2.3
• Est. value: $25,000 - $35,000
• Place of origin: Stuttgart, Germany

Egon Brutsch, a German engineer with a passion for fiberglass construction, wanted to build the world's smallest car for the 1956 International Bicycle and Motorcycle Exhibition in Frankfurt, Germany. After the show, he fitted a 50 cc engine to his tiny creation. Five Mopettas were ultimately built, but this car is one of 14 precise replicas made later.

While many of these cars seem absurdly toy-like today, they filled a real need at the time for cheap, efficient transportation and they were, at least, little more dangerous than scooters.

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