Science at your fingertips! People often describe Klutz books as hands-on, but it's never been this literal before. The Hand Book comes with a life-sized skeleton hand. It's an irresistible invitation to find out what goes on under your skin. Assembling the 22 snap-together, custom-moulded bones is rewarding in itself. And when you're done, you've got a scientifically accurate, moveable model on a sturdy display stand, ready to help you discover what makes your own hands so remarkable. Working in collaboration with a team of experts, including a hand surgeon, a hand therapist, and a slew of 11-year-olds, the scientists at Klutz Labs have come up with heaps of intriguing, educational and just plain cool hand activities. Test your digital dexterity and hand-eye coordination. Find out what you can do that a chimpanzee can't. Learn to read the secrets hidden in a hand-fingerprints are just the beginning. Our point is this: Beyond its eye-catching appeal, this skeleton hand is a serious learning tool. And if you happen to leave it someplace where it will scare your sister, that's just a bonus!