When LEGO is not enough fun, or even too easy with its prefabricated pieces, dump it … You can build your own hydraulic arm from scratch!!Robots powered by hydraulic actuators are fascination to many, but bringing one home is not a very good idea for your pocket.
You too can flaunt a hydraulic robot that too in an affordable and eco-friendly way.Simple, make your own. All you need is a cardboard, scotch duct tape, a few machine screws, syringes,electric motor and water.
Every joint of the hydraulic arm is a toothpick, fixed with two little bits of cardboard glue to its ends. Be careful when you put the parts of the arm together and don’t break anything. Otherwise you have to redo that part.
This arm using simple syringes in an effective way that is capable of lifting a fair amount of weight for its size.