Laboratory equipment for education: a teaching optical demonstrator centered on light refraction with triangular prisms, designed to support experiential learning in science classrooms and labs. Clear, handson learning benefits: helps students understand the principle of light refraction and convergence through direct observation and manipulation of the triangular prism setup, supporting improved academic understanding. Versatile teaching demonstrator: suitable as a school teaching tool, learning display, and physical demonstrator for classroom demonstrations, science displays. Portable and easy to handle: lightweight and compact design makes this optical demonstration prop convenient to carry between classrooms, labs. Key attributes at a glance: Function: optical demonstration prop for light refraction and convergence concepts. Size and portability: lightweight and compact for easy transport and setup. Compatibility: integrates with standard classroom teaching and laboratory demonstrations as a teaching apparatus. Performance: designed to provide straightforward, visible demonstrations of light behavior for instructional use. Material: construction suitable for educational demonstration use (specific material not specified). Use scenarios: Inclass demonstration: show how light changes direction at refraction and illustrate convergence concepts using the triangular prism assembly during a lesson on optics. Physics lab activity: perform simple experiments to trace light paths, observe refraction angles, and discuss optical principles in a handson setting. Displays: set up as a portable exhibit for science fairs, hallway displays to visually communicate optical concepts.