Description: 【Innovative Educational Tool】: This Pendulum Model Kit is designed to help students understand the law of conservation of energy through hands-on experimentation, making it an ideal addition to any STEAM curriculum 【Quality Material】: Crafted from wood, this kit ensures longevity and a safe learning experience for students as they explore scientific principles 【Compact and Manageable Size】: With dimensions of approximately 20cm in length, 10cm in width, and 20cm in height, this kit is perfectly sized for classroom demonstrations or at-home experiments 【Complete Set Included】: The package comes with everything needed to assemble the wooden pendulum, providing a comprehensive educational experience right out of the box 【Fit for Classroom Experiments】: Ideal for teachers looking to incorporate interactive science projects into their lessons, this kit encourages creativity and deep thinking among students Specification: Material: Wood Size Chart: L*W*H: 20cmx10cmx20cm/7.87inchx3.94inchx7.87inch Package Includes: 1 Wooden Pendulum Model Kit Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.