Stirling Engine Motor Power Model External Combustion Engine Science Experiment Model Toy Type_4 Cylinder Stirling ENTERTAINING---- The motor rotor can

ENTERTAINING---- The motor rotor can rotate under weak light source

base and alcohol lamp are also made of aluminum alloy

Product Weight: 477g

but it here

teacherâ€s Demo props on the class

Stirling Engine Motor Power Model External Combustion Engine Science Experiment Model Toy Type_4 Cylinder Stirling ENTERTAINING---- The motor rotor canDIY Stem Single Cylinder Micro Stirling Engine Model with Wooden Base Features: . Exquisite Appearence: Exquisite and compact appearance with brilliant colors, highlighting the unique shape of the engine. The key parts are made of aluminium alloy, realizing the dual combination of texture and aesthetic feeling and highlighting exquisite workmanship . Wooden Base: The base is made of wood, highlighting exquisite workmanship. The heating tube is made of