German Stirling Engine Model | Working

German Stirling Engine Model | Working Description: A stunning German-made Stirling (Heissluftmaschine) engine model by Böhm Stirling Technik, crafted from solid brass and steel and mounted on a hardwood base. ✨ Fully functional & mint condition ✨ Never used, runs beautifully ✨ Retail ~$400 at Lee Valley ✨ Mechanical art + educational science piece ✨ Made in Germany This is not a toy — it’s a precision-engineered display model that appeals to collectors, engineers, and design lovers alike. A mesmerizing conversation piece for desks, studios, or shelves. 📦 No original box (reflected in price) 📸 Exact item shown Ships carefully packed.