The first known crane machine was the shadouf, a water-lifting device that was invented in ancient Mesopotamia (modern Iraq) and then appeared in ancient Egyptian technology. Construction cranes later appeared in ancient Greece, where they were powered by men or animals (such as donkeys), and used for the construction of buildings. Larger cranes were later developed in the Roman Empire, employing the use of human treadwheels, permitting the lifting of heavier weightsEach model is a build-it-yourself kit. The parts are made from the highest possible quality stainless steel. Expertly made so that there is no need for glues or adhesives. To assemble each model, you don’t need to be an engineer, or have expert mechanical skills. Diligence, determination and focus are all you needed. Each part is assembled by the pressure of a pair of small pliers. Once assembled the quality really stands out..
