Optical Science Lab by Hape Experience the incredible optical effects by studying the movement of light, reflection, refraction ad polarization. The 53-piece playset will keep your child entertained and engaged for hours and is suitable for ages four and up. The Optical Set With a strong emphasis on learning, the Hape science set encourages little ones to push boundaries by building a solid foundation in science, technology, engineering, arts and mathematics early in life to help them achieve their future goals. They will learn and develop problem-solving and logical thinking through trial and error while having fun on the way. The set includes a Periscope, a Cone Illusion, a 3D Viewer, a Rotating Kaleidoscope, an Infinity Mirror, an Optical Lab, an Optical Illusion Pendulum and a Camera Obscura. Let your child's creativity and imagination to build anything! Don't worry! The included instructions will give you an idea on how to conduct eight optical experiments. The Hape Promise Hape Toys is one of the world's largest producers of wooden toys. Hape is guided by the philosophy that the future belongs to our children and creates toys that inspire play, learning, and exploration of the world we live in. All of the products meet, and more often, exceed the strictest international standards for quality and safety. Hape Toys represents the next generation of play.