Assembly UFO Spin Suspension Hero's Steam Engine with Copper Boiler Type_Stirling Accessories Start Mode: hand pullback

Start Mode: hand pullback

Made of high-quality materials from 3D printers

so the product can not be used

or as an auxiliary alcohol lamp for other chemical and physical experiments

heating wire

Assembly UFO Spin Suspension Hero's Steam Engine with Copper Boiler Type_Stirling Accessories Start Mode: hand pullbackAssembly 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