Optical experiment set for middle school physics laboratory Key benefits Removable components and easy to assemble and install enable flexible, handson optics learning and quick classroom setup. Large, longer base with clearly marked scales provides a stable mounting platform and precise measurement capability. Exquisite workmanship and a quality guarantee contribute to durability and reliable performance. Designed for middle school classroom use; not suitable for children under 3 years old. Features and attributes Function: supports a range of optical experiments and demonstrations in school physics. Compatibility and configuration: components are removable for versatile setups and quick reconfiguration. Size and structure: large, elongated base with very clear scales for accurate alignment. Construction quality: quality workmanship focused on stability and precision. Performance: provides stable alignment and reliable scale readings for reproducible results. Use scenarios Inclass demonstration: show light paths, reflection, and refraction with adjustable mounts and clear scale measurements. Studentled labs: learners assemble and reconfigure the setup to explore lens behavior and optical paths. afterschool or science club projects: reliable, longlasting base and components support extended optics experiments.