The method of “Kuyzener's colored sticks” was developed by a primary school teacher, George Kyuizener. The technology is simple and understandable even for two-year-olds and is perceived as a game. It is a mathematical tool that makes it possible to lead a child to an understanding of abstract and mathematical concepts. The technique helps the development of cognitive processes, the development of mathematical knowledge and skills, the development of mental processes. The set is made of wood, painted with a bright resistant paint, the details are well polished.