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15mm high magnetic steel ball
RCGF 120cc Twin Gasoline Air Cooled Double-cylinder Engine for RC Fixed Wing AirplaneFeatures:
mobile charging
(3) If the engine model is cooled down naturally
Ground Clearance 80mm
Customized Golden Single Cylinder Stirling Engine Model with Luminous Gyroscope Physical Experiment Type_Insect Series 15mm high magnetic steel ballCustomized Golden Single Cylinder Stirling Engine Model with Luminous Gyroscope Physical ExperimentFeatures:. Exquisite Model: The stirling engine with a cool and eye catching golden appearance, with a luminous gyroscope, which emits brilliant lights when the machine is running, full of metal mechanical and technological sense.. Science Educational Toys: Truly restore the principle of the stirling engine, observe the magical operation process,
