The A3 Coaching Kit is a series of tools to support A3 Users, A3 Coaches and Mentors. The kit includes preparatory checklists, agendas, coaching questions, a method to track A3 User progress and space to capture A3 Coaching reflections. The A3 Coaching Kit supports the development of good problem-solving thinking by using the simple structure of the A3. The tools can be used for both virtual and onsite coaching sessions.