1. Educational tools: Different colors are used to distinguish various positions, with bright hues that capture students' attention, facilitating teaching demonstrations. This enhances student comprehension and adds fun to the classroom. 2. Material: Made of brand, nontoxic, and ecofriendly PVC plastic. Easy to clean. Dimensions: 11 x 11 x 23 cm. Compact size for convenient storage in bags and portability. 3. Lifesize 1:1 ratio, divisible into two parts. The front wall can be removed to reveal the left atrium and right ventricle, tricuspid valve, as well as the lungs, mitral valve, and aortic valve. It effectively supports research and study of relevant knowledge, serving as a valuable tool for practical training. 4. Features exceptionally clear textures and precisionmolded shapes with standardized anatomical labels. An model for studying both internal and external heart anatomy, ideal for medical teaching and doctorpatient communication.