A beautiful full-color book guides children through hands-on experiments. Nurtures a love of science with carefully crafted projects that work. Includes 25 activities, such as splitting light into a cascade of rainbows, making a kaleidoscope, molding lenses, capturing shadows, constructing a pinhole camera, blending light, solving filter puzzles and much more! Learn about the fundamentals of light: lenses, reflection, refraction, microscopes, telescopes, cameras and the speed limit of the universe. Requires a 1.5 volt D battery (not included). 40-page book, for ages 6 and up.