Refraction demonstrator: Safe for human health and designed as a reliable teaching device to illustrate refraction in classroom and lab settings. Triangularprism triple prisms: This triple prism set is suitable for physics teaching and demonstrates the law of refraction, making it an effective teaching demonstrator. Optics demonstrator: Professional triple prisms that fully show the characteristics of optical refraction for clear, observable demonstrations. Laboratory equipment: Lightweight and portable; the optical tripleprism set is easy to carry and store. Practical applications: Inclass demonstrations of refraction phenomena and the law of refraction in physics or optics lessons. Laboratory experiments to observe and analyze refractive behavior using the triple prisms. Portable outreach or field demonstrations at schools or science fairs due to its light weight and easy storage.