In this study, the authors investigated the effect of Zarco, an operations management "mock factory" experiential learning activity, on student recollection of operations management concepts. Using a number of single-factor and multiple-factor analyses of variance, the authors compared the recollection of students treated with the Zarco activity with that of controlled students. The results, based on 223 students at two universities, indicate that the Zarco experiential activity had a significant effect on student recollection, especially for those concepts most closely tied to the activity. (Contains 4 tables.)