The wooden lever yardstick with hooks is a valuable tool for teaching the principles of physics and mechanics. ideal for school and lab use, this balance measuring device enables students to conduct experiments that illustrate the concepts of leverage and equilibrium. By hanging weights on the hooks, learners can explore the effects of different forces, making abstract theories more concrete and understandable. Features -Color:Yellow -Material:Wood -Size:56.00X3.50X1.00cm/22.01X1.38X0.39in -Essential 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 Package list: 1 x wooden lever ruler