Authentic working rotary engine model that demonstrates real rotor engine principles and mechanics. The model converts the combustion expansion force of combustible gas directly into driving torque, allowing hands on observation of how a rotary engine produces power. Key benefits Hands on learning and demonstration of rotary engine operation. The model makes the intake, compression, ignition and exhaust processes visible through actual eccentric rotor motion. Accurate reproduction of rotor engine geometry. A rotor shaped as a Leroy triangle operates inside an oval chamber to form three independent combustion chambers, illustrating how volume changes drive a four stroke cycle. Precision engineered components for smooth operation. precision design helps the rotor run eccentrically and reliably so users can study timing, chamber changes and torque generation. Complete build experience with clear instructions. The kit includes a detailed assembly procedure manual so you can assemble the model at home and explore mechanical function step by step. Ready for display or gifting. Packaged in a luxury exquisite gift box, the model is suitable for use or as a thoughtful gift for hobbyists and students. Function and performance Function: transforms combustion expansion force of combustible gas into driving torque through an eccentricly driven rotor. Design: rotor in the shape of a Leroy triangle within an oval housing creates three independent chambers and enables the four stroke process. Performance: demonstrates real sequence of intake, compression, ignition and exhaust as chamber volumes change with rotor motion. Suitable applications Educational demonstration in engineering classrooms and labs to illustrate rotary engine geometry and thermodynamic cycle. Hobbyist model building and bench display for mechanical enthusiasts and collectors. Practical teaching tool for workshops and training where a compact, visible example of rotor engine operation is needed. What is included and user experience Detailed assembly procedure manual for step by step construction at home. Packaged in an elegant gift box suitable for presentation or storage. Designed for clear, practical study of rotor engine principles without requiring specialized equipment. This model is intended as an accurate, tangible way to study and demonstrate the mechanical principles of a rotary engine, ideal for learners, hobbyists and anyone interested in engine mechanics.