Learn how to make a breathing machine from the author of Maker Lab US, Jack Challoner. This easy experiment uses household items to construct model lungs and show how some vital parts of the body work. Maker Lab includes 28 experiments that encourage kids to build, create, and discover. Created in association with the Smithsonian Institution and supporting STEM education initiatives, these kid-safe projects and crafts that will get young inventors' wheels turning and make science pure fun. M