How to Make Hydraulic Driven Robotic Arm from Cardboard

In this video I exhibit you how to make robotic arm from cardboard, it can be fairly entertaining to plaw with. Specially by relocating coca cola cans.
You have to have:
cardboard, 8 syringes with rubber piston, aged battery, 4 pipes, popsicle sticks, glue, h2o and patience 🙂 Also coca cola vacant can.

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