Technological advances in the development of motion sensing input devices have enabled utilization of natural user interfaces by numerous applications that are today being put into practice in various fields. The aim of the thesis is development of such a Kinect application that would offer users an alternative approach to solving physical problems in the areas of forces, energy, movement and mechanics, with the use of a natural user interface. Our application could be utilized as a learning tool for elementary school physics, since it offers 3D visualisation and real-time physical simulations of interactions between objects and interactively demonstrates the behaviour of physical systems. It allows users to interact with digital objects in a way, similar to how we interact with real-world objects. Application allows user to manipulate and monitor significant physical parameters. Our application can be controlled with the use of hand gestures, without utilizing a mouse or a keyboard.