USA. Arizona. Baby Sitting Class, Red Cross. Red Cross workers run baby sitting classes in the Phoenix Chapter. The students age from 11-15 years of age. The students learn how to protect children from accidents and injury. They learn first aid for choking and bleeding. Mouth to mouth and the Heimlich manoeuvre. Dealing with crying and sickness and changing diapers etc. At the end of the course they receive a certificate. Picture: Dealing with choking.