Twin Cylinder Steam Engine Model Gift Physical Law Toy DIY Project Part M36 Type_4 Cylinder Stirling you can gain a more

you can gain a more intuitive understanding of the Stirling engine principle and deepen your interest in physics by observing the entire engine's operating flow

and can be used with confidence

• External power supply: DC 10V-20V

and alcohol is injected into the alcohol lamp to ensure the safety of the alcohol lamp

Material: Aluminum Alloy + Brass

Twin Cylinder Steam Engine Model Gift Physical Law Toy DIY Project Part M36 Type_4 Cylinder Stirling you can gain a more8. 5 x 6. 7 x 7. 9CM Mini Pure Copper Steam Engine Model Without Boiler Creative Gift Set Features: . Beautiful Appearance: Small and novel in shape, can be placed in the palm of your hand like a treasure. Exquisite mini, let a person fondle admiringly. Is an excellent craft . High Quality: The product is made of all copper, delicate execution, bright surface, glittering . Parameters: Cylinder volume is 7. 6cc, total length is 85mm, height is 79m,