A rapid integration of financial markets has prevailed during the last three decades. Investors are able to diversify investment beyond national markets to mitigate return volatility of a "pure domestic portfolio." This article discusses a simulation project through which students learn the role of international investment by managing their own portfolios. The article explains the project's investment ground rule, trading requirement, and grading rubric. The students are required to examine many important factors in international business such as currency risks and regional policies. The structure of this project can also be applied to a course involving student-managed investment funds.