Description:

【Teaching Aid】: This lung breathing model is specially designed for classroom experiments and teaching, which can help students understanding the human respiratory system.
【Easy to Understand】: Simply pull onto the bottom rubber section to view of how the lungs work, apparatus that consists of two sacs, which represent the lungs, a rubber membrane.
【Classroom Teaching】: The Lung demonstration model is rich details, clearly showing the structure and working principle of the human lungs.
【Educational Toy】: Easy to operate, students can do the experiment by themselves, improving their practical skills and scientific literacy.
【Nice Gift】: The teaching toy can be used as nice gift for biology enthusiasts, or as part of a science education display.

Specification:

Material: PP

Size Chart:

Height 11.5cm/4.53inch
Bottom 7.5cmx5.3cm/2.95inchx2.09inch

Package Includes:

1 Lung Teaching Model Toy (The color is random)