Hot All Metal Air All MetalStirling Engine Motor Electricity Power Generator LED Air Stirling Engine Education Funny Toy GeneratorDaily necessities

?Flywheel inertia?The power generator model uses the inertia of the flywheel to drive the piston ,reducing the pressure in the cylinder .Let children learn new knowledge while playing ?EXQUISITE WORKMANSHIP?The design of the Stirling engine is exquisite ,the workmanship is excellent ,not only can be used as a teaching aid ,jewelry ,but also as a DIY .Enjoy this magical journey of energy conversion 【 EXQUISITE WORKMANSHIP 】The stirling engine design is exquisite ,the workmanship is excellent ,not only can be used as teaching aids ,ornaments , but also DIY ,enjoy this magical energy conversion journey 【 WIDELY USE 】LED air stirling engine has a wide range of application as ,great gift for kids' science project ,physical/mechanical learning ,teacher’s Demo props on the class ,birthday gift for friends ,families ,parents ,kids ,etc .Many of our customers come from school ,colleague ,etc . 【 QUALITY AFTER SALES SERVICE 】We are devoted to providing good products and good service for every customer .If you have any questions , please don't hesitate to contact us for a solution, Manufacturer: Raguso