This study aims to assist students in carrying out extracurricular activities more effectively and assist in the learning process that can be carried out outside the extracurricular hours so that they are more effective. The trainer's limited ability to teach the material and greatly helped the trainer to launch the training. The research method used is a product-oriented Research and Development (R&D) research method. The development of this pocket book through the stages of identifying potential and problems, collecting data, designing and making initial products, validation by material experts and media experts. The product was tested on all students who took part in extracurricular activities at SMP 1 Muhammadiyah Medan, class 2 small group trials and class 3 large group trials. Data is collected through a questionnaire given to students. Data in the form of assessment results on product quality, suggestions for product improvement, as well as other qualitative data. Quantitative data were analyzed with descriptive statistics. The results of this research and development are products in the form of pencak silat learning pocket books that can be used as learning resources by junior high school students. The quality of products developed according to expert judgment on the material is "Very Good" with a mean score of 4.81, according to media experts "Very Good" with a mean score of 4.27. While overall student assessment is "Very Good" with a mean score as follows: the display aspect has a mean score of 3.86 included in the criteria of "Good", the content / material aspect has a mean score of 3.76 included in the "Good" criteria, aspects learning has a mean score of 3.88 included in the criteria of "Good", and aspects of readability have a mean score of 3.97 included in the criteria of "Good". The mean score of the conclusions of this study was 3.86 included in the criteria of "Good".