Designed for middle school physics learning in classroom laboratories. Not suitable for children under 3 years old. Key benefits Supports middle school optics education: Ideal for teacherguided lessons and student handson learning in school laboratories. Stable and precise: Large lengthened base provides stability when setting up optical experiments; very clear scale enables accurate alignment and measurement. Reliable craftsmanship: Fine workmanship delivers dependable performance for routine classroom use. Easy to assemble and install: Removable design allows quick setup, reconfiguration, and teardown between activities. Key attributes Function: School optical experiment equipment for engaging, handson optics demonstrations and investigations. Size and stability: Large base with a clear measurement scale for precise positioning and alignment. Construction quality: Wellmade to withstand repeated classroom use and frequent reassembly. Compatibility and flexibility: Designed for school optical experiments and easy to detach or reattach components for different configurations. Use scenarios Classroom optics demonstration: Set up a simple optical path to illustrate reflection, refraction, or lateral displacement, using the clear scale to measure distances and angles. Studentled investigation: Small groups assemble and adjust the apparatus to explore how changing positions affects light behavior, recording observations and results. Teacherled experiment rotation: Quickly reconfigure the setup between topics or stations, enabling multiple demonstrations or activities within a single class period. Notes Intended for educational use in middle school settings; not suitable for children under 3 years old. Specifically designed for school optical experiments and easy manual assembly and disassembly for routine classroom use.