Features: This precisely engineered metal mechanical monstrates internal combustion principles through authentic mechanical movements, ideal for physics classrooms and engineering labs seeks STEM teaching tool. Crafted with metal components, the engine demonstrator model thermodynamics experiment replicates real engine mechanics with intricate operational detail, offering durability compared to plastic alternatives for repeated educational use. Designed for educators, engineering students, and automotive trainees, it bridges theoretical concepts with hands on observation of piston cycles, and energy conversion processes. Perfect for classroom demonstrations, vocational workshops, and university levels mechanical engineering courses, this tool visually simplifies complex thermodynamic principles in physics labs or repair training. Ready to use straight from packaging, eafortlessly maintenance design eliminates assembly hassles while enabling interactive exploration of crankshaft dynamics and combustion chamber operations for accelerated learning outcomes. Specifications: Component: Metal Color: Silver Size: Approx. 16x30cm/6.29x11.81in Weight: Approx. 1120g Package Includes: 1Piece Metal Engine Model 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