Description: 【Educational Tool】: The Metal Linear Expansion Demonstrator is an essential learning tool for physics education. It is ideal for classroom demonstrations, lab experiments, and scientific projects 【Quality Material】: Made from premium metal materials, this educational tool kit is designed to withstand repeated use in a classroom setting. Its sturdy construction ensures longevity and reliability 【Product Dimensions】: The Metal Linear Expansion Demonstrator measures about 22cmx9cmx26cm/8.66inchx3.54inchx10.24inch, making it compact and easy to handle during experiments 【Teaching Instrument】: This is a nice teaching instrument for demonstrating the physical principle of metal expansion under heat exposure, suitable for physics classrooms or learning environments 【Practical】: Designed with precision to accurately demonstrate the concept of thermal expansion in metals, this tool is a must have for any physics lab or classroom setting Specification: 22cmx9cmx26cm/8.66inchx3.54inchx10.24inch   Package Includes: 1 Metal Linear Expansion Demonstrator Kit Note: Please allow slightly errors due to manual measurement and different monitors.