Engineering Design and Development (EDD) is the capstone course in the PLTW high school engineering program. It is an engineering research, design and fabrication course in which students work in teams to design, develop and fabricate an original solution to a valid open-ended technical problem by applying the engineering design process. The course applies and concurrently continues to develop knowledge and skills from the foundation PLTW courses as well as mathematics, science, and technology. Since the projects on which students work can vary with student interest, the curriculum focuses on the full engineering process from problem identification through presentation of a complete solution that is modeled by a working prototype. Utilizing an activity-project-problem-based (APPB) environment, students will perform research to choose, validate, and justify a technical problem. After carefully defining the problem, teams of students will design, build, and test their solution. Finally, student teams will present and defend their original solution to an outside panel of experts in the various aspects of engineering and business. While progressing through the engineering design process, students will utilize community experts and will continually hone their organizational, communication and interpersonal skills, their creative and problem solving abilities, and their understanding of design and process.