This book documents the process of a Challenge Based Learning program based around the Big Idea of 'Power.' It provides a detailed insight into the planning, process and final solutions created by teachers and Year 1 & 2 students at Wonga Park Primary School as a part of the program. With planning documents, lesson ideas, student examples, resources and links to Australian Curriculum outcomes, this book provides an invaluable look into how the CBL framework can work in the everyday classroom.