Features: This physics demonstration tool visually showcase the conversion of gravitational potential energy into energy of motion, making energy transformation principles clear and accessible for educational purposes. Crafted from metal, this educational physics tool features sturdy and stable design for long term durability in frequent classroom demonstrations with easy setup. Ideal for physics teachers and students in school to university levels, this classroom teaching equipment enhances engagement and understanding of fundamental concept. Perfect for hands on experiments in physics labs and classroom, it simplifies demonstrating energy conservation principle without complex installation, fostering interactive learning. Versatile beyond potential and energy of motion, this device supports experiments on mechanical energy conservation, adapting to various curricula for comprehensive physics education. Specifications: Component: Metal Color: As picture shown Small Size: Approx. 25x40cm/9.84x15.75in Large Size: Approx. 31x47cm/12.2x18.5in Weight: Approx. 1800g, 2250g Package Includes: 1Piece Energy Conversion Demonstrator 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