Portable models refer to simplified versions of complex systems or concepts that can be easily transported or used in various settings. These models are designed to be lightweight and user-friendly, making them ideal for demonstrations, education, or fieldwork. They help users understand intricate ideas by providing a tangible representation that can be manipulated or observed closely. In fields like science, engineering, and education, portable models serve as valuable tools for learning and experimentation. For instance, a portable model of the solar system allows students to visualize planetary orbits and sizes, enhancing their grasp of astronomical concepts. Such models promote interactive learning and facilitate better comprehension of theoretical subjects.