1.Dynamic demonstration structure: Shows the complete process of the lung through practical mobility enables haptic experience of lung function with visual support for intuitive understanding of anatomical processes 2.Robust material: Highquality material guarantees pleasant haptics and stable structure for years of use. The resistant construction preserves form and functionality even under intensive use, ideal for frequent applications in training and demonstration areas without loss of quality 3.Coordination promotion: Strengthens the connection between visual perception and manual dexterity during breathing training trains simultaneously mental flexibility and fine motor control 4.Learning motivation promote: This vivid lung model enables practical understanding, stimulates research curiosity through interactive handling and is ideally suited for lively biology lessons with haptic learning success