Retro Mini Pure Copper Steam Engine Model with Boiler, Cool Science Physics Experiment Kit for Adults

✨【Exquisite Miniature Design】Crafted entirely from polished brass, this palm-sized model (11.3x4.5x10cm) combines intricate craftsmanship with a gleaming finish, perfect for display or hands-on exploration 🔥【Functional Steam Operation】Includes a 12ml-capacity boiler and solid alcohol fuel system, providing up to 10 minutes of real steam-powered motion. Safety valve ensures secure use during heating 🎓【Interactive STEM Learning】Demonstrates thermodynamic principles in action, fostering curiosity in physics for teens and adults. Ideal for homeschooling or classroom experiments 🎁【Unique Gift & Collectible】Packaged in a sleek box, this model doubles as a desk ornament for collectors or a creative gift for engineers, hobbyists, or science enthusiasts aged 15+ ⚠️【Precision Handling Required】Delicate brass construction demands careful operation. Follow included instructions for fueling, ignition, and maintenance to ensure longevity