Mini Engine High Speed Turbine Steam All-metal High Speed Turbine Model Science Experiment Toy Men Gifts _x000D_ _x000D_ _x000D_ modname=ckeditor _x000D_ _x000D_ _x000D_ Mini Engine High Speed Turbine Steam All-metal High Speed Turbine Model Science Toy Men Gifts _x000D_ _x000D_ _x000D_ _x000D_ Features: _x000D_ _x000D_ .Parameters: Air inlet diameter: 4mm, air outlet diameter: 6mm; output shaft diameter: 1.95mm; speed: up to more than 50000RPM _x000D_ .Exquisite Appearance: The shape is small and novel, which can be placed on the palm like a treasure. Is an excellent craft _x000D_ .High Quality: The product is made of all metal, the rotor is stainless steel, the four ball head bearings are stainless steel, and the rest are made of brass. The production is fine, the surface is bright and shiny, and the gold is shiny _x000D_ .Simple Operation: Can be started with an air compressor, used for grinding and processing, etc. _x000D_ .Operational Significance and Value: By operating the turbine model, you can learn the operation principle of the steam turbine more intuitively and deepen your childrens interest in physics. At the same time, this model is also a collectible _x000D_ .For Crowd: 14+ _x000D_ _x000D_ Specifications: _x000D_ _x000D_ .Color: As Shown _x000D_ .Material: Metal _x000D_ .Product Weight: 100g _x000D_ .Package Dimensions: 8 x 8 x 6cm _x000D_ .Package Weight: 150g _x000D_ .Packing: Box _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_