Within cooperation between UNICEF and the Ministry of Health of the Republic of Serbia dedicated to improving the development in early childhood, Telekom Srbija has donated teaching materials to counseling services of health centers in Subotica, Sremska Mitrovica and Kruševac. The sets consist of 32 elements, including the roller coaster, set for sorting and counting, sets for structure imitation, musical instruments, rattles, balls, beads and other didactic materials. This equipment will be used by pediatricians, psychologists, speech therapists, special educators and other health care workers and associates for checking and stimulating the specific skills of childhood development.