Key features

• •RUN MADLY WITH DOUBLE FLYWHEEL -----The twin flywheel stirling run much faster than single flywheel stirling. Because of the heat from highgrade alcohol and twin flywheels, the engine will run madly and create the electricity. It's really interesting and imaginative toy.
• •EXTREMLY WELL-MADE ---- The board is made of Russian pine, using fine grinding manufacturing; The power cylinder and piston of the engine are made by fine milled SUJ2 alloy steel ; the rod to the displacer piston employs fine milled bearing steel . This engine also employs a big quartz glass tube as hot cylinder to reduce the risk of burst while burning.
• •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.
• •STRONG 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. Wood base is bare and left unpainted. You can fly your imagination and stain it the color you prefer yourself or with kids, friends.
• •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.