The following is a description of an interactive exercise for teaching the general components of commercial real estate leases to an introductory Legal and Ethical Environment of Business Law undergraduate class. Part I provides the context for commercial real estate leasing in the United States. Part II introduces the characteristics of and legal environment for commercial leases. Part III offers the rationale for illustrating business concepts through an experiential module. Part IV outlines the classroom exercise with instructions. Finally, Part V provides a framework for the instructor to measure the learning goals and efficacy of the exercise.