1965 – This is the German HEGI Porsche 904 GTS kit with electric drive and wooden chassis on a scale of 1:8.
From https://brcnews.net/?p=14670
Hegi Porsche 904 GTS from 1965. It was a very early mass-produced RC car. However, it was not a ready to run car, it was a kit. The chassis is made of wood. The tires are solid rubber. The electronic components are packed in Steropor (a brand of expandable polystyrene). The Porsche had a middle pivot front swing axle. At the rear there is a rigid axle with two electric motors and belt drive.
The vehicle is 580 millimeters long and 220 millimeters wide. the wheelbase is 330 millimeters. It weighs 3200 grams. (Said to be 1:8 scale)
Below: Documentation of the availability of the German HEGI Porsche 904 GTS kit in the July/August 1965 issue of American Modeler magazine.