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Sunnytech Hot Air Stirling Engine Colourful LED Flywheels Education Toy Electricity Power Generator
TWO CYLINDER ENGINE---- The dual 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. EXTREME FINE CRAFTED----The board is made of Bamboo. bracket and 2 flywheels are made of 6061 aluminum alloy(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

Price is $160.00
Price: $159.99