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Made of high-quality materials from 3D printers
Start Mode: hand pullback
or as an auxiliary alcohol lamp for other chemical and physical experiments
The fuel is made of high-quality steel wire
Operation: The ignition part is connected to the corresponding spark plug cap and then connected to the voltage regulator module
Assembly UFO Spin Suspension Hero's Steam Engine with Copper Boiler Type_Stirling Accessories Made of high-quality materials fromAssembly UFO Spin Suspension Hero's Steam Engine with Copper Boiler Features: . The flying saucer shape full of science fiction, novel and unique, silent steam engine model design, full of power. A metal handicraft with great retro beauty, giving people curiosity and unlimited reverie. . The steam engine model is carefully made of all metal, each part is finely processed, rich in metallic luster, and each part is precisely matched, upholding the
