This work is used by teachers and recreation leaders to get ideas on how to modify and change games and activities to include everyone and to reach objectives, whether those objectives are skill development, fitness, or just fun. Written by leaders of the "changing kids' games" movement, this book helps teachers and future teachers understand how they can create healthy learning climates where all students feel safe, capable, successful, motivated and connected to others. The strategies presented in this book show a clear path to creating climates that encourage kids to participate fully in physical activity. In addition, these strategies serve as an antidote to settings in which kids don't participate because they fear public embarrassment, are physically self conscious, afraid of injury, or simply not interested in competition, especially with others whose skills are much greater or lesser than their own. This book encourages participants to make choices between suitable challenges. These choices may involve selecting from challenges that are offered by the instructor, which allows for some self-direction among participants. Although simple, the idea of change, challenge and choice can bring about important and valuable learning consequences.