Learn about the human body and how first responders, including first aiders and paramedics, keep others safe. The in-depth 36 pages illustrated storybook and activity guide provides a hands-on STEM experience that focuses on science and first aid concepts. Explore and experiment with a working stethoscope, eye patch, finger printing kit and more. Activities encourage fine motor skills, problem-solving and observation and comparison. Stethoscope measures 770mm long.