The company primarily deals with the sale and development of electronic components, particularly for use in schools, hobby projects, model building, and repairs. It offers a wide range of products, including microcontrollers, LEDs, LCDs, resistors, capacitors, sensors, transistors, and other electronic components. Another core activity of the company is the development and sale of special modules and boards, such as the MultiBord V1.0, which was specifically designed for model builders who do not want to perform extensive programming of microcontrollers. The company also offers a soldering and PCB service, where it can solder modules according to customer specifications and manufacture circuit boards. Furthermore, the company develops and sells special sets and modules for use in schools and hobby projects, such as solar sets, LED modules, and controllers. Overall, the company's core activity can be described as the sale and development of electronic components and modules for use in various application areas.