The radiator cap sets the direction and a hole in the roof is to set the driving distance. The chassis is lithographed in white on black background and bears numerous inscriptions: "Made in US ZONE GERMANY - Patents appld for in - GREAT BRITAIN USA CANADA ITALIA ESPANA SVERIGE SCHWEIZ SCHUCO PATENT INGENICO 5335 5300 5325 5311 - D. Patente ud Patente ANG AUSTRIA patented FRANCE SGDG ANY OF GERMANY".