OKMO J06G α-Type Horizontal Opposed Hot Air Stirling Engine Model Super Mini STEM Science Toy Material_Wood The shape is novel and

The shape is novel and unique

2V 25C Lithium Battery

electric start

The through hole is 1

3D-printed stainless steel exhaust manifold: optimized flow paths

OKMO J06G α-Type Horizontal Opposed Hot Air Stirling Engine Model Super Mini STEM Science Toy Material_Wood The shape is novel andOKMO J06G Type Horizontal Opposed Hot Air Stirling Engine Model Super Mini STEM Science Toy Features: . Classic Opposed Piston Design: Clearly demonstrates the conversion from heat to motion, offering hands on insight into the Stirling engine cyclea favorite among mechanical enthusiasts. . Precision Engineering: Constructed from premium brass and alloy with polished surfaces and tight fitting parts, creating both a functional model and an artistic