Metal Bootable 2-cylinder Parallel Stirling Engine Model Micro External Combustion Engine Model - Elegant Black

• 【Thermodynamic Motion】100% updated and high quality The unit measures approximately 21 x 13.2 x 10.5 cm, supporting close viewing on a desk, shelf, or technical display area.
• 【Visible Mechanism】The whole product is made of all-metal material, polished and polished, well for high-end texture, and it is a beautiful art.
• 【Material Construction】The product can be used without receiving excessive debugging. Construction uses Alloy Steel, Aluminium Alloy, Brass, matching the component structure documented for this SKU.
• 【Operating Setup】The key parts are commonly used brass + fine coating materials, which are not worn for a long time and have a service life of more than 10 years;
• 【Display and Study】For Elegant Black, follow the included instructions for the specified heat or power source. Allow moving or heated parts to stop and cool before adjustment, cleaning, or storage.

Product description Specifications: .Colour: As Shown .Material: Alloy Steel + Aluminium Alloy + Brass .Product Size: 21*13.2*10.5cm .Product Weight: 1950g .Package Dimensions: 25.5 x 15.5 x 18cm .Package Weight: 2276g .Packaging: Carton Box Safety Warning /