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, Weight: 1.6093745126 pounds, Manufacturer: YIXANNX