Master the forces of prismatic effects! The Light Crystal will split a beam of light into a multi-colored rainbow, reflect an image in weird and wonderful patterns, serve as a periscope, and more! Learn about refraction and reflection, create illuminating kaleidoscopic effects, and discover the universal secrets of light and color with this perfectly clear, high-quality Light Crystal prism. Recommended for 1 player, ages 8 and up. Made in USA. Package dimensions: 3.250 x 2.875 x 5.125 inches. Includes 1 High-quality 4.5" Light Crystal Prism, 1 Display Base, Colorful Graphic Patterns for Creating Amazing Kaleidoscopic Images, Complete Instructions for Many Other Tricks. Wipe clean with dry or damp cloth. Imported Material & Care Plastic Spot clean only