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How to Make Hydraulic Powered Robotic Arm from Cardboard

In this video I show you how to make robotic arm from cardboard, it's quite fun to plaw with. Especially by moving coca cola cans. You need: cardboard, 8 syringes with rubber piston, old battery, 4 ...
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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 ...