Learning apparatus Made from environmentfriendly material that is safe for classroom use Serves as the core teaching supply for optics lessons and demonstrations Dispersion demonstrator Made of glass for transparency Provides clear visibility of light paths and dispersion during demonstrations Teaching instruments Capable of reflecting rainbow light under sunlight Functions as an optical teaching apparatus for visual dispersion examples Optical teaching Uses the equilateral physical optics demonstrator to split a beam of light into spectral components (the colors of the rainbow) Designed as a laboratory apparatus for teaching optics concepts Key benefits Safe, environmentally friendly materials suitable for classroom and lab use Glass dispersion element offers transparency for clear observation Enables visible rainbow dispersion demonstrations with natural or artificial light Integrated fourpart set that supports handson optics learning in a laboratory setting Use scenarios Inclass demonstration of white light dispersion using sunlight or standard laboratory lighting Student laboratory experiments to study light splitting and spectral components Science fair projects or classroom exhibitions to illustrate fundamental optical principles Specifications and compatibility Fourpart set including learning apparatus, dispersion demonstrator, teaching instruments, and optical teaching module Compatible with standard classroom and laboratory environments Materials emphasize safety and environmental friendliness while delivering reliable optical performance