Engine model Color: Black Compact resin engine model that combines decorative appeal with working mechanical elements for handson learning and display. Key benefits Handson learning and demonstration: Builtin moving parts and detailed cylinder composition let users observe basic mechanical motion, making the model useful for classroom demonstrations and selfguided study. Visual and decorative impact: Precise miniature workmanship and a clean black resin finish create an eyecatching display piece for desks, shelves, and workshops. Appeals to hobbyists and collectors: Detailed miniature form and careful finishing make this model a valuable addition to collections or a focal point for modelbuilding projects. Inspires creativity and curiosity: Practical for model builders and educators who want a tangible reference to explain engine fundamentals or to spark project ideas. Features Material: quality resin construction for fine detail and stable presentation. Color: Black finish that highlights contours and mechanical details. Workmanship: Detailed cylinder composition and carefully executed miniature components that demonstrate attention to precision. Function: Includes working mechanical elements to illustrate motion and mechanical relationships. Contents: 1 engine model. Practical applications Office or home desk display: Place on a desk or shelf as an educational ornament and conversation piece that reflects technical interest. Classroom and workshop demonstrations: Use as a visual teaching aid to show basic engine motion and component relationships during lessons or handson sessions. Hobby and collection display: Add to a model collection or use as a reference for building and painting scale models. Notes Color may vary slightly from the photos due to lighting and screen settings. Please allow a 1 to 2 cm difference in measurements due to manual measurement. This engine model is a compact, wellcrafted tool for education, display, and collection that emphasizes practical demonstration and aesthetic detail.