How To: Make a working "robot" model hand

How to Make a working "robot" model hand

In this four-part science tutorial, learn how to make a model of a hand that works like a real hand: with tendons that move the fingers. This is a great tool to teach kids the body's inner workings. Part 1 includes an introduction and parts 2-4 include the step-by-step instructions to contruct this learning tool.