Topica SEMTO ENGINE ST-NF2 Engine Model, Mini Inline Double-cylinder Four-stroke Air-cooled Nitro 7.0cc Interal Combustion Engine Model That Runs, Science Educational Kit for Tech Enthusiast

✅【Electrical Starting】: Convenient and smooth start with high-torque 480 brush DC motor ✅【Crankshaft】: Strong power, smoother operation, and max speed of up to 16000rpm ✅【Dual Synchronous Belt】: Reduces risk of gear jumping in high-speed operation ✅【Wide Applications】: Perfectly blends with gearbox for superior compatibility, ideal gift for mechanical engine enthusiasts, and excellent teaching aid for physical mechanical classes ✅【Note】: Starting Ignition set not included, please contact us for any questions, Manufacturer: Topica