This human ear drum model is an excellent educational tool designed to demonstrate the principles of sound wave transmission. Crafted with precision, it replicates the structure of the ear tympanic, making it suitable for classroom demonstrations. Ideal for early education, it helps children understand the science principles behind hearing in a fun and interactive way. Features -Color:Sky-blue -Material:Plastic -Size:13.00X9.00X6.00cm/5.11X3.54X2.36in -Realistic simulation: accurately mimics human ear structure, aiding children in understanding the principles of sound transmission effortlessly -Diy design: encourages hand skills and scientific curiosity in kids, making parentchild interactions more engaging and educational -Versatile use: ideal for school education and home early learning, enhancing both learning efficiency and interest -Durable material: made of plastic with vibrant colors, ensuring the model's details remain clear and visible over time -Portable size: compact and easy to carry, allowing scientific experiments to be conducted anytime, anywhere without space constraints Package list: 3 x sets of ear tympanic models