Functional 1.6cc watercooled 4stroke miniature engine model designed for handson learning and realistic demonstration. Precision metal components and a dedicated wooden base recreate core principles of internal combustion engines in a compact, displayready package. Key features and benefits Real working engine: Fully functional 1.6cc watercooled 4stroke engine that can be assembled and operated to demonstrate real mechanical motion and timing. Watercooled design: Integrated watercooling system helps maintain stable temperatures during longer runs, illustrating practical thermal management used in fullsize engines. Heavyduty materials: Constructed from brass, stainless steel, and wood for authentic weight, durability, and visible metal moving parts such as a polished piston and brass flywheel. Educational and demonstrative: Clear, visible components make this model ideal for teaching combustion cycle, valve and piston motion, and flywheel dynamics. Compact and displayready: Engine dimensions and wooden base are sized for desktop demonstrations or display without occupying much space. What you get 1 set x engine model, including metal parts, assembly tools, and a printed English manual Wooden base size: 150 x 120 x 30 mm Engine body size: 104 x 94 x 78 mm Overall product size: 15 x 12 x 10.8 cm Product weight: 1400 g Package dimensions: 20 x 20 x 15 cm, package weight: 1500 g Materials: Brass, stainless steel, wood Cylinder diameter: 13 mm; Stroke: 12 mm Practical applications Classroom and lab demonstrations: Use during engineering or physics lessons to show the fourstroke cycle, heat transfer, and basic engine mechanics in an interactive way. Hobbyist assembly and display: Suitable for model engine enthusiasts who want a working metal engine to assemble, operate, and display on a desk or shelf. Trade shows and presentations: Portable and visually engaging unit for demonstrations that require a compact, operational example of engine mechanics. Operation and assembly notes Assembly is required; tools and a printed English manual are included to guide build and setup. The metal construction and watercooling feature support reliable, repeatable operation for demonstration purposes. Product dimensions and weight are provided for planning display space and transport. This working miniature engine combines accurate mechanical behavior with sturdy materials and practical size, making it a useful tool for education, demonstration, and hobby projects.