This is a fully functional and hobby machined gas engine model with 5.5" flywheels. Made by a Hobbiest with very good machining skills and welding skills, this Hit & Miss model is perfect for collectors and enthusiasts alike. The engine is powered by gas and proudly. Would be a good one for some one to reverse engineer and draw blue prints for other hobbiest. With its durable build and reliable performance, this engine model is sure to impress any buyer. Base is 24 inches long by 15 3/4" wide engine is approx 12 inches long by approx 6 3/4" wide by 9 inches tall. Made of steel, brass and bronze engine has compression 6 volt battery 6 voltage coil and pull start rope. I will ship buyer pays actual shipping or local pick up is fine. Thanks for looking. May God Bless