4M Illusion Science Experiment with 20 classic optical illusions included in this kit. The kit includes illusion trick cards, spinning top with illusion cards, 3D picture cards, markers, 3D glasses, and more. A 20-page instruction book is included, describing the science of optical illusions and how to create a wide range of illusory effects. Perfect for young scientists with an interest in optics. Recommended for ages 7 years and up. Challenge your child's imagination with 4M toys and kits. 4M educational toys cover a wide range of educational subjects and include science kits, arts and crafts kits, robotics kits, and more. 4M offers a wide range of toys and kits to let you build a clock, crochet a placemat, or turn your room into a planetarium--all in the name of making learning fun. Experiment with over 20 optic activities Learn the scientific explanations behind the optic activities Kit includes illusion tricks card, spinning top with illusion cards, 3D picture cards, markers, 3D glasses and more Challenge your eyes with these classic illusions For ages 7 and over