The inventions that were supposed to transform the world

 The early pioneers of these machines were produced in the 1900s and amphitheater models for sale in 1961. From 1961 to 1965, about 4,000 amphibians were produced, but never achieved a great success. Because it was not a good car, not a good boat. These days, Gibbs produces an amusement machine called AquaDa, which is very expensive and does not have a lot of customers.