The field of 3D printed electronics has been rapidly growing in recent years, with the potential to revolutionize industries such as healthcare, aerospace, and consumer electronics. Polymer 3D printing has emerged as a promising technique for fabricating electronic devices due to its versatility, scalability, and cost-effectiveness. However, there are several challenges that need to be addressed in order to fully unlock the potential of polymer 3D printed electronics. This research paper discusses the current state of the art in this field, highlighting the current challenges and proposing potential solutions. These challenges include material selection, design considerations, printing techniques, and post-processing methods. In addition, the paper explores the limitations of existing polymer materials and presents recent advances in the development of new functional materials for 3D printing. Furthermore, the integration of various components and multi-material printing techniques are also discussed as key factors in advancing the capabilities of 3D printed electronics. Finally, this paper provides insights and recommendations for future research directions in order to fully realize the potential of polymer 3D printed electronics.