Description The lung model with diaphragmatic movement simulator is a highly effective tool for teaching students about the functioning of the human respiratory system.It provides a visual and hands-on representation of how the lungs work to facilitate breathing. Features -Color:As Shown -Material:Plastic Rubber -Size:19.00X11.00X11.00cm/7.47X4.32X4.32in -This is a perfect teaching tool which will let the student learn the principle of human lung breathing. -Good as educational toy, which can help your children recognize their body construction. -Increase knowledge and develop students’ brains, and makes your children fall in love with hands-on. -Provides a first-hand understanding of how the lungs work and how other structures contribute to lung function. -Composed of two lung-like sacs, a rubber diaphragm, and a transparent casing that simulates the chest cavity.Package list: 1 x lung breathing model