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Sunnytech Hot Air Stirling Engine Motor Educational Electricity 4 Cylinders Generator Colorful LED
FOUR CYLINDER ENGINE---- The four cylinder engine is full of power and the voltage can reach 4-9V. The flywheels will rotate rapidly, making the generator's LED lights flickering wildly. When the machine works, it will be very shocking and attracting eyeballs. EXTREMLY FINE CRAFTED ---- The base, bracket and 2 flywheels are made of brass(High strength, weldability and corrosion resistance); Power cylinder and the power piston is SUJ2 material fine grinding surface of special treatment, high hardness. Do not wear high-speed ultra-long-running; Axle joints connected with very high precision miniature bearings, stability without lubrication;

Price is $350.00
Price: $349.99