How to Make Hydraulic Powered Robotic Arm from Cardboard\r
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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.\r
You need:\r
cardboard, 8 syringes with rubber piston, old battery, 4 pipes, popsicle sticks, glue, water and patience :) Also coca cola empty can.\r
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