Each course differs in length depending on the scope of the topic. Some courses only contain one part, totaling a viewing experience between 15 minutes and 30 minutes long. Other courses contain up to 8 parts, totaling more than 3+ hours of viewing content. In addition, at the beginning of each course, you will have the option to download and print the course’s Study Guide to use as supplementary material. The videos are fully customizable: you can watch in full screen mode, pause at your convenience, and even adjust the playback speed.