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.

EXTREMLY FINE CRAFTED ---- The base, 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, stability without lubrication; Heating cylinder of quartz glass- the heat resistance is better than ordinary glass.

EASY OPERATION & LONG LASTING----Fill the alcohol burner with your 95% alcohol (we recommend this fuel) and light it. Let the light burn the round ended cylinder for about 20 seconds, then give the wheel a gently push, it will run like a charm. It can run for 8+ hours continuous without any broken which test by one customer.

STRICT PACKING---- glass tube is packaged separately with bubble bag to avoid damage during shipment. easy to take off the package, and put it back to the place.

PRIORITY GIFT OPTION FOR MANY APPLICATIONS----It is an amazing and fantastic product at this price. Its elegant gift package makes it spruce up and presentable. It has a wide range of application as, great gift for Kids' science project, Physical/mechanical learning, teacher’s Demo props on the class, birthday gift for friends, families, parents, kids, etc. Many of our customers come from school, colleague, etc.