Features: High sensitive sensors ensures accurately momentums conservation experiment result, making this physics lab equipment great for verifying fundamental mechanics principles with accurately data. Eay assembly, streamlining setup for physics classroom and mechanics lab tool demonstrations while maintaining structural integrity. Essential for educators, students, and teacher in school and research institutions requiring professional momentums conservation experiment apparatus for repeated academic use. Optimized for physics laboratory experiment and classroom demonstration, supporting multiple mechanics principles verification from basic to advanced curriculum requirement. Metal construction withstands intensive educational use while maintaining calibration accurately, work with various mechanics lab tool for comprehensive physics instruction. Specifications: Component: Metal Color: As Picture Shown Size: Approx. 25x10x13cm/9.84x3.94x5.12in Weight: Approx. 300grams Package Includes: 1Piece Mechanics Experiment Equipment note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color