Assembly Stirling Engine Car DIY Model Trolley Vehicle Set Toy Material_EPP Full of metal mechanical sense

Full of metal mechanical sense and sense of science and technology

you can also disassemble it and restore it

anodizing coloring process

Use Significance and Value:

A Stirling engine is a heat engine that operates by cyclic compression and expansion of air or other gas

Assembly Stirling Engine Car DIY Model Trolley Vehicle Set Toy Material_EPP Full of metal mechanical senseAssembly 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