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.

(1) Part 1 of 4 - How to Make a working "robot" model hand, (2) Part 2 of 4 - How to Make a working "robot" model hand, (3) Part 3 of 4 - How to Make a working "robot" model hand, (4) Part 4 of 4 - How to Make a working "robot" model hand

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