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Low-Cost Desktop Learning Modules (LCDLMs) are innovative, affordable educational tools designed to enhance hands-on learning experiences in engineering education. Previous studies have shown the effectiveness of LCDLMs in promoting engineering student engagement and learning outcomes. The present study further explored whether different types of LCDLMs could influence student engagement and learning outcomes differently. This study compared four LCDLMs (i.e., Double Pipe, Hydraulic Loss, Shell & Tube, and Venturi). In total, 2190 undergraduate and graduate students from 29 universities in the United States participated in this study. Results of this study showed that the Shell & Tube module significantly outperformed the Hydraulic Loss and Venturi modules in promoting enhancements in student Active scores. However, no significant differences were observed between the Double Pipe module and the other modules on Active scores. Moreover, the Hydraulic Loss module led to significantly higher knowledge growth compared to the Double Pipe, Shell & Tube, and Venturi modules.