This paper introduces an innovative project management framework designed to enhance the productivity and effectiveness of undergraduate projects through a Lego block analogy. Traditional project management approaches often fall short in addressing the unique challenges of academic projects, particularly those involving stakeholder collaboration. The proposed framework integrates soft systems and agile methodologies, breaking down projects into modular, color-coded stages and micro-processes represented by Lego blocks. These stages—comprehending the problem, defining the problem, proposing solutions, implementing solutions, and ensuring replicability—provide a flexible and adaptable structure for students. The framework emphasizes continuous revision, clear documentation, and a traffic light risk assessment system to manage uncertainties. Additionally, it fosters critical thinking styles—prospective, systematic, concurrent, and resilient—while promoting collaboration with professors and stakeholders. The framework was tested on two student groups (n = 24 and n = 28) through pre- and post-tests, revealing significant improvements in project management understanding and execution. Results demonstrate that the Lego block analogy enhances students’ ability to visualize tasks, maintain focus, and address challenges effectively. This approach represents a significant advancement in undergraduate project management, equipping students with the skills needed for academic and industrial success.