Complete set of Denken 3rd Class (Electrical Engineer Third Class) books, including problems and explanations, and a guidebook. The main text, consisting of six volumes, is structured to emphasize practice exercises to improve scoring ability. It thoroughly analyzes past exams, making it perfect for efficient study to pass the exam. Furthermore, to make it easy for beginners to understand, it uses many illustrations and explains concepts in simple, easy-to-understand language. It also supports smartphone learning, making it an attractive learning material that allows you to effectively utilize your free time. - Series Name: Denken 3rd Class - Volumes: Volumes 1-6 - Publisher: U-CAN - Included: Problems and Explanations, Explanatory Book, Guidebook, Easy Problem Collection There are no markings, but please forgive any oversight. This is a learning material that costs over 70,000 yen.