ENJOMOR Assembly Vertical Hero's Steam Engine Model with Boiler DIY KITFeatures:.DIY Fun: The steam engine adopts the form of assembly kit, nearly 40 kinds of parts, you will start a challenge project to build a new steam engine yourself, clear graphical instructions, wonderful assembly process, and explore the internal structure and principle of the steam engine. .Retro Steam Engine: the vertical structure of the steam engine, the cylinder and the air distribution mechanism are easy to observe, the transparent cylinder design, the piston movement is unobstructed. The large-size flywheel design enables faster start-up and smoother operation. The simulated jet sound makes people obsessed. It has DIY modification space and output power, and supports the installation of LED lights and other loads. .Safety Design: spherical boiler, the steam pressure is evenly released. The boiler is equipped with a mini safety valve, a splash-proof exhaust tube, an all-brass alcohol lamp, and a fire-extinguishing gland to ensure safe use .Superb Manufacturing Process: The boiler is made of all metal materials, which is safe and strong, and has a short start-up time. The retro appearance evokes the feelings of the steam age, and the first-class processing technology brings excellent performance and high-end mechanical model experience. It is a handicraft with both texture and beauty .Wide Range of Applications and Gift Idea: This product is suitable as teaching aids and learning tools, doing scientific and technological experiments, and contributing to popular science knowledge. It can also be used as a cool desktop decoration crafts to play with. At the same time, it is suitable as a great gift for birthdays, Christmas and other holidays to steam model players and technology enthusiasts. .Instructions: Place the model on the desktop, unscrew the boiler valve and add water, light the alcohol lamp, heat the boiler, heat the boiler water to the boiling point, turn the steam engine flywheel by hand to help start, and the machine can run .Note: The water in the boiler can only be added up to 2/3 of the capacity. The machine is forbidden to dry without water, and it is forbidden to touch the heated part of the machine to prevent scalding. Children should use it under the supervision of an adult. Applicable age: 14 years old and upSpecifications:.Material: Metal.Product Dimensions:20 x 9 x14cm.Product Weight: 700g.Package Dimensions: 25 x 15 x 6.5cm.Package Weight: 900g.Packing: Box