Ideal for classroom demonstrations, this Light Guide Demonstrator helps students visualise total internal reflection and understand the basics of optical communication. Designed for science lessons in primary, secondary schools and colleges, it provides a clear, hands-on way to explore how light travels through materials.

• Made from durable acrylic for repeated use

• Measures 220mm x 20mm x 20mm

• Shallow 'S' shape prevents direct light passage, enhancing demonstration

• Lower surface painted white for improved visibility of light paths

• Suitable for use with a light box (e.g. B8R06342) or laser (e.g. B8R07806), not included