Light-Experimentation-Kit-RVFM-PH30703-A-comprehensive-kit-of-optical-apparatus-that-helps-to-explain-the-principles-of-reflection-&-refraction-Using-the-included-mirrors-lenses-acrylic-prism-set-&-ray-box-the-reflection-&-refraction-of-light-can-be-demonstrated-in-many-different-ways-Light-Kit