Teaching can be difficult and teaching programming can be even harder — it's abstract and concrete at the same time, and you must help the learner build a mental model of what code really does. Find out how the Swift Playgrounds content team works through the teaching process, from idea to finished playground. We'll cover lessons learned building the Learn to Code series, and tips and methods we've developed to streamline our current workflow. Come away with valuable teaching insights and a great head start on building your own instructional content.