Mini Metal Steam Engine Kit, 11.3 x 4.5 x 10CM Mini Pure Copper Steam Engine Model with Boiler, Engine Model Kits Science Physical Desktop Engine Experiment Toy for Adults - OYDL, O9432YCK4411PK

• ✅ Mini Steam Engine Kit: It is 4.7CM long, 2.9CM wide, 4.6CM high and weighs 66g.The flywheel has a diameter of 2.9 CM and a shaft diameter of 0.2CM. Cylinder output shaft diameter 0.4CM ✅ Boiler: The boiler can hold 12ml of water and the working time is about 10 minutes. It is equipped with a safety valve. Length: 11.3CM, width: 4.5CM, height: 10CM, weight: 185g. ✅ High Quality: The product is made of all copper, delicate execution, bright surface, glittering ✅ Compact and Exquisite Design: With its small size and unique shape, this steam engine model can fit in the palm of your hand, resembling a precious item that invites admiration and appreciation. Its exquisite design makes it an excellent piece of craftsmanship. ✅ Wide Application: Suitable for most mechanical enthusiasts, including teachers, students, technology enthusiasts, and collectors. Additionally, this engine model is also an exquisite decoration to add more fun to your office desk., Manufacturer: OYDL