I had a number of those Cox airplanes.
Crashed all of them, of course.
Frequently got a mild cross wind, control lines went slack and splat into the pavement!
Most often bought or received as a gift the P-40, Stuka or PT-19 Trainer.
Probably still have a few engines and propellers in a drawer somewhere.
Always had a fascination of aviation. Built a lot of model airplanes of one kind or another.
Received my Basic private pilot license in 1975!