DIY ENJOMOR Vertical Transparent-Cylinder Steam Engine Model with Spherical Boiler, Metal Retro Mechanical Steam Power Model for STEM Education

【Transparent Vertical Cylinder】: Clear cylinder design shows piston movement and steam expansion in real time for a vivid mechanical demonstration. 【Spherical Steam Boiler】: Retro-style sphere boiler provides stable steam generation and enhances visual authenticity. 【Full Metal Construction】: Durable, CNC-machined metal components ensure precision, stability and long-term display value. 【Smooth Flywheel Operation】: Coordinated piston–flywheel linkage delivers reliable motion and demonstrates fundamental steam engine mechanics. 【STEM & Collector Value】: Ideal for science education, mechanical demonstrations, hobby collections, and unique technology-themed gifts.