Product Details： L-type Stirling Engine: The Overall Shape Is Novel And Unique, The All-silver Appearance Is Cool And Eye-catching, The Engine Is Equipped With A Small Generator, And It Can Also Be Connected To A Load Night Light. It Is Full Of Metal Mechanical And Technological Sense. It Is An Excellent And Exquisite Decorative Model. Educational Toys: When The Machine Is Running, The Usb Cable Is Connected To The Generator, Which Can Light Up The Night Light, Giving Space For Hands-on Operation, Exploring Science, Enhancing Imagination And Creativity, And Realizing Your Scientific And Technological Dreams. Excellent Workmanship: The Machine Is Mainly Made Of Stainless Steel And Aluminum Alloy. The Surface Treatment Is Exquisite, Rich In Metallic Luster, And The Parts Are Matched With High Precision. The Bottom Plate Is Provided With A Place For Placing An Alcohol Lamp. The Machine Runs Smoothly And Reliably. The Combination Of Beauty. Instructions For Use: The Product Itself Has Been Assembled And Can Be Operat