Features 1、Vivid 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 an amazing visual feast. 2、Material: This cube optical prism is made of K9 optical glass, six sides are polished for better refractive index, clear reflection and comfortable and moist feel. 3、Easy To Carry: With the compact design, you can take the cube anywhere and even put it directly in your pocket or storage box, it doesn't take up any space, easy to carry and can be used to take special photos anytime, anywhere. 4、Wide Range Of Applications: Glass cube prism is ideal for optical teaching, science experiments, children's science, art ornaments, photography; as a gift to kids to explore the colorful spectrum, or add effects to your photos. 5、Creative Photography Props: A great gift to photography lovers, prism photography is a fun way to add some creative effects to your photos. Specification Item Type: Dichroic Cube Prism Material: K9 Optical Glass Storage Box Battery Information: Button Battery, 50mah (Built In) Package List 1 x Optical Glass Prism 1 x Storage Box With Light