Course to study the principle of operation of various mechanisms. In the lessons, children will get acquainted with the basics of physics and mechanics, learn interesting facts about the creation of various measuring instruments, then in practice they will design. Consider the actions of various physical forces on objects, and what happens to him. In the classroom, children learn what gear, chain and worm gears are. How the gears used in the mechanism affect the speed and power of the model. They will conduct a series of experiments in mechanics and come up with designs themselves, compose and test them in action. The course consists of 20 classes. Duration of one: 45-60 minutes. No batteries required.