Item Type: Prism Cube Material: K9 optical glass Package List 1 x Prism Cube 1Vivid Kaleidoscope Effect: You can manipulate the light by refraction of light, all sides will refract the light to get more color combinations, different angles to enjoy different colors, presenting you a stunning visual feast. 2Prime Materials: This cube optical prism using K9 optical glass, six sides polished, better refractive index, clear reflection, feel comfortable moist. 3Easy to Carry: With its nail sized design, you can take the cube anywhere and even put it directly in your pocket without taking up any space, making it easy to carry and available for special photos anytime, anywhere. 4Wide Range of Applications: The glass cube prism is ideal for optical teaching, science experiments, children's science, art ornaments, photography; give it as a gift for kids to explore the colorful spectrum or add effects to your photos. 5Creative Photography Props: A great gift to thephotography lovers, prism photography is a fun way to add some creative effects to your photos.