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 quality materials, thiskit is designed to withstand repeated use in a classroom setting. Its construction ensures longevity and reliability, making it a worthwhile investment for schools and educational institutions Educational Tool: This is a nice teaching instrument for demonstrating the physical principle of metal expansion under heat exposure, suitable for physics classrooms or learning environments Product Dimensions: The product measures 22 cm in length, 8 cm in width and 26 cm in height, making it compact and easy to handle during experiments Practical Design: 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: 22x8x26cm/8.66x3.15x10.24inch Package Includes: 1pcs Teaching instrument Note: Please allow slightly errors due to manual measurement and different monitors.