In October, which means that kids are starting to plan excitedly for their Halloween costumes and trick-or-treating. They’re thinking about monsters, witches, and all sorts of human body parts. That’s why preparation for Halloween can be a great time to teach your kids a little about anatomy! So we’ve pulled together some fun facts about the human eye.* the eyeball of a human weighs approximately 28 grams. The human eye can distinguish 500 shades of gray. Sailors once thought that wearing a gold earring would improve their eyesight. People generally read 25% slower on a computer screen versus paper. Males are more likely to be colorblind than females.The grand daddy of the FamiLane Collection, this premium T-shirt is as close to perfect as can be. It’s optimized for all types of print and will quickly become you favorite T-shirt. Soft and comfortable, durable and thick, this is a definite must-own and a FamiLane recommended product.