Assembly Stirling Engine Car DIY Model Trolley Vehicle Set Toy Material_EPP Use Significance and Value:

Use Significance and Value:

Full of metal mechanical sense and sense of science and technology

iron flywheel (with nickel plating process)

weldability and corrosion resistance)

energy saving

Assembly Stirling Engine Car DIY Model Trolley Vehicle Set Toy Material_EPP Use Significance and Value:Assembly Stirling Engine Car DIY Model Trolley Vehicle Set Toy Features: . Innovative Design: This product is a spare part and requires DIY assembly, complete spare parts, simple structure and easy assembly. The stirling engine is creatively combined with the trolley model. The model is novel and unique. The stirling engine provides power to drive the car. . Craftsman Craftsmanship: The product is made of almost all metal, and the components are