Designed for learning purposes, the wooden lever measuring stick is ideal for physics labs and classroom experiments. This balance ruler for mechanics helps illustrate the concepts of force and equilibrium. By attaching weights to the hook, students can observe the effects of different forces on the lever, making it an tool for interactive learning and experimentation. Features -Color:Yellow -Material:Wood -Size:56.00X3.50X1.00cm/22.01X1.38X0.39in -Ideal for mechanics education: specifically designed for middle school mechanics experiments, this wooden lever ruler is an essential learning tool. -Hook for versatile use: the attached hook allows for easy hanging and diverse applications in various physics experiments. -practical wooden construction: crafted from wood, this lever ruler is built to last, ensuring longterm use in learning settings -Visual learning aid: offers a clear and visual representation of balance principles, enhancing students' understanding of physics -Compact and portable: its convenient size makes it easy to carry and store, ideal for use in classrooms, labs, and at home Package list: 4 x wooden lever ruler