Prism Teaching Educational Tool

:Description: Material: Glass, plastic - Bottom diameter: Approx 10cm / 3.9 inch - Top stand width: Approx 12.5cm / 4.9 inch - This triple prism is made from high quality optical glass, the glass part can be removed for single use - Can reflect the rainbow light under the sunlight ...:Description: Material: Glass, plastic - Bottom diameter: Approx 10cm / 3.9 inch - Top stand width: Approx 12.5cm / 4.9 inch - This triple prism is made from high quality optical glass, the glass part can be removed for single use - Can reflect the rainbow light under the sunlight - Comes with durable plastic stand, can adjust the prism angle freely - Essential equipment for nature science studying in kindergarten and primary school, and light dispersion / refractor researching in high school - Ideal for school classes teaching tool or as intellectual development toy for child Package Includes: 1 x Triple prism1 x Stand