 Girder and Panel building sets

Girder and panel building sets are construction toy systems that allow users to create structural models, buildings, and various other designs using a combination of girders (long beams) and panels (wall or floor pieces). These sets typically consist of modular components that can be easily connected and reconfigured to form different structures. ### Components: - **Girders:** Long, usually straight beams that act as horizontal or vertical supports for structures.