[Product Type]:This is a lever principle teaching instrument,ideal for physics mechanics teaching and experiments [Material]:The teaching instrument is made of aluminum alloy,ensuring durability and longevity [Product for Dimensions]:The size of the lever balance scale and support is 46cmx27cmx6.5cm,making it compact and easy to handle during experiments or demonstrations [Educational Tool]:This lever principle teaching instrument serves as an educational tool for understanding the principles of leverage in physics [Versatile Use]:It can be used in classrooms,laboratories,or at home for educational purposes,making learning interactive and fun