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How to Make a Robotic Scissor Arm from Popsicle Sticks

How to Make a Robotic Scissor Arm from Popsicle Sticks In this video I show how easy to make robatic scissor arm from ...
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How to Make a Small Ac Generator With Magnet Energy

In this fascinating tutorial, learn step-by-step how to make a small AC generator using magnet energy. Discover the ...