Ideal for physics experiments, the wooden lever ruler with a hanging hook is designed to facilitate the study of mechanics. This balance measurement ruler allows students to engage in practical learning by attaching weights to the hook and observing the resulting effects on the lever. Its wooden construction ensures durability, making it a reliable tool for repeated use in learning settings. Features -Color:Yellow -Material:Wood -Size:56.00X3.50X1.00cm/22.01X1.38X0.39in -ideal for classroom experiments: this wooden lever balance ruler is an indispensable tool for middle school physics mechanics experiments. -Easy hanging with hook: the builtin hook design allows for simple hanging, making it versatile for different experimental needs. -Sturdy wooden build: made from robust wood, this lever ruler is designed for durability and use in learning environments -Effective balance demonstration: provides an intuitive and visual demonstration of balance principles, aiding in the comprehension of physics concepts -Portable design: its compact and lightweight design makes it easy to transport, suitable for use in various learning settings Package list: 1 x wooden lever ruler