How to Make Hydraulic Powered Robotic Arm from Cardboard\r<br>\r<br>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<br>You need:\r<br>cardboard, 8 syringes with rubber piston, old battery, 4 pipes, popsicle sticks, glue, water and patience :) Also coca cola empty can.\r<br>\r<br>If you like this video dont forget to subscribe :)
