Behold, the Bath buggy, built in 1970 for the World’s Fair in Osaka Japan, complete with a Ford Mustang engine, made by the same guy who pretty much created every cool ride that appeared on television screens during the 1960s and 70s. The Batmobile, the Flinstones car, David Hasslehoff’s car the Green Hornet car, The Munster’s car, the Monkee’s mobile–…