This copper sheet is designed for scientific experiments, offering excellent elasticity and vibration properties. Its smooth surface and practical construction make it ideal for sound and vibration tests. suitable for education purposes, it helps users explore the principles of elasticity and acoustic resonance effectively. Features -Color:Silver -Material:Copper -Size:15.00X1.50X0.10cm/5.89X0.59X0.04in -Copper Sheet: intuitively demonstrates the principles of elasticity, enhancing the efficiency of physics learning -Practical material: the teaching instrument is made from selected materials, ensuring durability and suitability for repeated experimental operations -Vibration sound function: the vibration sound feature concretizes the abstract concept of sound waves, sparking students' interest in exploration -Versatile use: suitable for both school classrooms and home science education, broadening knowledge and fostering scientific literacy -Precision craftsmanship: crafted with precision to ensure the accuracy of experimental data, supporting scientific research and education Package list: 20 sheets