Feature: 1. Multistage: The steam turbine model is a multistage turbine model, which is composed of moving impellers in the cylinder, which is has practical meaning. 2. Operating Principle: The impeller is directly driven by the gas supplied by the gas compressor or nozzle port, which shows the working principle and process of the steam turbine. 3. Widely Applicable: The steam turbine model has a wide range of applications, can be used for children's science projects, physics or mechanical learning, classroom demonstrations, etc. 4. Durable: This laboratory steam turbine model is made of premium iron, organic glass and plastic materials, which has firm structure and long service life. 5. A Perfect Present: The steam turbine model decorationcan be used as a birthday gift for friends, family, parents, children, etc, which is a novel present. Specification: Item Type: Steam turbine model Material: Iron, organic glass, plastic Weight: Approx. 550g/19.4oz Size: 18x12.5x11cm/7.1x4.9x4.3in Scope of Application: For children's science projects, physics, mechanical learning, classroom demonstrations, etc. Package List: 1 x Steam Turbine Model 1 x Manual Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.