Golden Single Cylinder Stirling Engine Model Science Physical Educational Toys Gift Brand_JDMODEL 0: Forward and backward independent

0: Forward and backward independent deviation correction function

custom throttle brake lever

full height: 74mm

Parameters: Length 75mm

6inch Billet alum wheel rim and 5

Golden Single Cylinder Stirling Engine Model Science Physical Educational Toys Gift Brand_JDMODEL 0: Forward and backward independentGolden Single Cylinder Stirling Engine Model Science Physical Educational Toys GiftFeatures:. Exquisite Decoration Model: The overall structure design of the Stirling engine is simple and ingenious, the shape is novel and unique, the golden appearance, the pleasing running effect, the metal sense and the sense of technology, will bring you unlimited reverie, it is an excellent exquisite decoration model.. Popular Science Educational Toys: Truly