On offer is Eugene Sandow's original 1920s Sandow Developer Instruction Manual together with Courses 1, 2 an 3 as a digital prduct (PDF). The Sandow Developer home gym equipment sold in the early 1900s, as shown in the photos. The 3 month course also comes with a daily workout chart indicating the number of reps to be performed per exercise. The ecourses offer a lost style of progressive resistance training used by strongmen of the bronze era. Besides being a true collectors item, by practising these ecourses you will build tendon and ligament strength which should help in increasing your poundages in the gym. Enjoy!