• Copper
• Premium Quality: Mainly made of brass and processed by machining, the premium quality model boasts rich-in-luster, delicate and aesthetic surface for fine production, sophisticated technology and smooth operation. The main shaft sleeve adopts abrasion-resistant beryllium copper with high hardness to ensure long-term running.
• Easy to Install: The exquisite and compact steam model is easy to install and play with in your hands, making you hardly tear yourself away from it.
• Easy to operate: Without fussiness, the installed steam engine allows the users to intuitively feel the charm of the steam engine.
• Educational STEM Model: Nice STEM Projects model for creator to improve their thinking and problem solving abilities. Great for STEM enthusiasts, educators, or collectors, it doubles as functional decor and a celebration of ingenuity. Suitable for birthdays, holidays, or anyone who craves a tangible connection to the wonders of science and engineering.
• Suitable for steam engine enthusiasts, the engine model with considerable operability is able to exercise hands-on ability and teach operator about the operation of steam engines.