ENJOMOR Aircraft Free-piston Stirling Engine Motor Toy Brand_Huina 1 x Model Kit

1 x Model Kit

Excellent Personalized Gift: This exquisite engine model is easy to operate and full of fun

and its huge teeth are creepy

Please use the machine according to the instructions to avoid damage to the machine by wrong operation

the piston movement can be clearly seen

ENJOMOR Aircraft Free-piston Stirling Engine Motor Toy Brand_Huina 1 x Model KitENJOMOR Aircraft Free piston Stirling Engine Motor ToyFeatures:. Science Education Toys: This stirling engine external combustion model with novel design and equiped with cool propeller head. People will curious about the interesting and imaginative tabletop technology toy.. Easy to Run: Just heat it up with an alcohol lamp and turn a propeller, and it runs steadily and quickly. You can observe the whole process of the engine.. Excellent Manufacture: