How does your eyeball work? How to check if you are color-blind? How do animals eyes see? You can find the answers to these and other human eye related questions learning anatomy with this cool hands-on Human Eyeball 3D Anatomy Model with CD Science Set. This human body interactive learning toy contains a 3D puzzle and the anatomy educational computer game in one box. This amazingly detailed anatomy 3D puzzle comes with over 20 individually numbered pieces to recreate the anatomically correct human eyeball model. The interactive CD that comes with this human eyeball model contains the detailed model assembly instructions, explanations how the eye works, fun vision related kids games. Playing the anatomy computer games from this educational CD, children will trick their family and friends with optical illusions, check if they are color-blind, see through animal eyes and more! This anatomy learning computer CD works with PC or Mac. The assembled model of the human eyeball from this amazing Human Eyeball 3D Anatomy Model with CD Science Set is 5.5 inches tall with the display stand. Put the 3D eyeball model puzzle together, play educational interactive computer games, and learn anatomy with this terrific human body toy from Educational Toys Planet.