Mould King Flat Engine Building Sets, V8 Model Engine Kit for Adults, Mini Engine Scale Model with Motor, 10181 STEM DIY Building Kits That Works, Blocks Toys for Aged 14+ (2375 Pieces). Classic Flat Engine: The engine model kit that works reproduce the dynamic principle of Flat engine, to have a lower center of gravity, contributing to the stability and handling of the vehicle, suitable for sports cars and racing cars.
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