Stirling Engine Generator Physics Experiment Science Popularization Invention Toy Model

Stirling Engine Generator Physics Experiment Science Popularization Invention Toy Model Feature: Features: Easy to operate: Simply place it a cup of hot water, turn the wheel slightly until it starts working automatically. Performance: The device will observe and understand the working process, and the working principle is intuitive. Classic Stirling engine model: Made of high-quality metal, the transparent casing allows you to clearly see the working principle of each component. For child safety: No need to lightlamps, safer for children. Completely assembled, no need for self installation. Puzzle toys: Experimental teaching aids for school classrooms or laboratories, making them an excellent gift choice for students, teachers, and children. Specifications: Material: Metal Color: As shown in the picture Attention: Due to manual measurement, please allow for a difference of 1-3 millimeters. Please make sure you don't mind before making a bid. Due to differences between different displays, images may not reflect the actual color of items. Thank you! Package includes: 1 x low-temperature Stirling engine model

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