• Teaching prop--portable and lightweight design, this model is convenient to carry to where you need,sound wave vibration prop
• Cognitive --engages in hands-on learning by providing a lifelike representation of the human ear drum,creative
• Human ear drum model--the shape can intuitively express the working principle of the eardrum, the is simple, and it is suitable for teaching display,learning supplies
• Ear drum model for class--applicable to the teaching of elementary science classes and basic courses of physiology and ,teaching equipment
• Encourages questioning and observation: promotes a curious and encourages to ask questions and make observation,practice prop,school teaching prop