Glenn Ballard and Greg Howell developed the Last Planner System of Production Control throughout the 90s1. At the same time, Lauri Koskela was working on developing a theory of production which provided the theoretical framework for the LPS2. The LPS has been successfully implemented and is becoming an important part construction management3. However, the transition from theory to practice has not been easy. The LPS concepts can sometimes be too difficult to understand for those who lead the production process and have to implement it. The lack of practical tools to teach LPS encouraged us to develop this educational game. – See more at: