a person is holding a can and some kind of robot that is made out of wood
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How to Make Hydraulic Powered Robotic Arm from Cardboard

How to Make Hydraulic Powered Robotic Arm from Cardboard In this video I show you how to make robotic arm from cardboard, its quite fun to plaw with. Especially by moving coca cola cans. You need: cardboard, 8 syringes with rubber piston, old battery, 4. How, Make, Card

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