Key benefits Strong practicality: combines a practical learning approach with a dynamic demonstration structure that visualizes lung mechanics, helping users grasp fundamental respiratory concepts clearly. Longlasting construction: built with quality materials and precise workmanship; offers a smooth tactile feel and a robust, stable structure for dependable performance over extended use. Skill training value: emphasizes skill development by fostering logical reasoning and improving handeye coordination through interactive learning experiences. Learning companion: delivers an immersive and practical teaching tool that inspires young people to explore science concepts more deeply. Key attributes Function: visualizes lung mechanics via a dynamic demonstration structure that makes respiratory processes observable. Material and build: quality material; careful workmanship; smooth touch and durable construction. Durability: robust and stable design intended for long service life under regular usage scenarios. Educational impact: supports cognitive development and practical skill enhancement through interactive exploration. Usage contexts: suitable for classroom teaching, tutoring sessions, science centers, and selfguided learning in home settings. Use scenarios Classroom biology lesson: demonstrate how lungs expand and contract during breathing to connect theory with a live visualization of respiratory mechanics. Afterschool or home study: provide handson exploration of respiratory concepts, reinforcing learning through interaction with the model. Science centers or training labs: support learners in interpreting lung function visuals and developing coordination as part of respiratory education.