2 Cylinders Hot Air Balance Type Generator Stirling Engine Model with Voltage Meter Bulb Fan Physical Experiment Educational Toy Price_$30-$50 Excellent Quality: The chassis is

Excellent Quality: The chassis is made of high-quality metal materials

76mm Mouse Tail 78mm Rudder 130 Rudder Water Pressure Plate 57mm Water Knife 55mm Copper Paddle 108 Servo Recommeded S3006 6KG (Not Included) Remote Control Recommeded Flysky FS-GT2E，FS-GT3B (Not Included) Battery 14

suitable for DIY modification of oil-powered model cars by players

It takes sunshine to turn it up

2 Cylinders Hot Air Balance Type Generator Stirling Engine Model with Voltage Meter Bulb Fan Physical Experiment Educational Toy Price_$30-$50 Excellent Quality: The chassis is2 Cylinders Hot Air Balance Type Generator Stirling Engine Model with Voltage Meter Bulb Fan Physical Experiment Educational ToyFeatures:. Novel Shape: It is a balance type two cylinder structure, equipped with a small generator, heated by alcohol, the engine runs steadily at high speed and generates electricity, thereby bringing a bright voltage meter and light bulb. When the machine is running, it will be very shocking and eye catching.. Science