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, it's quite fun to plaw with. Especially by moving coca cola cans. You need: cardboard, 8 syringes with rubber piston, old battery, 4 pipes, popsicle sticks, glue, water and patience :) Also coca cola empty can. If you like this video don't forget to subscribe :)