Please read the profile before purchasing for a smooth transaction. This is a completed LEGO-compatible block model that meticulously recreates a V8 engine, the heart of an automobile. It features authentic moving mechanisms, with pistons, crankshafts, and timing chains that work in conjunction. Realistic Movement: You can visually enjoy the workings of a V8 engine, such as the internal yellow pistons moving up and down and the crankshaft rotating. Detailed Design: Clear red parts are used for the engine head cover, highlighting the V8 ENGINE logo. The logo parts near the intake ports also add an accent. Mechanical Construction: The mechanical beauty is condensed with complex gears and timing chains placed on the front, and silver exhaust manifolds extending from the sides. [Product Condition] This item has been assembled once. As shown in the photos, there are no missing or damaged parts, and it is in very clean condition. The task of actually installing the timing chain is difficult, making this a model with a high degree of build satisfaction. It was displayed as a collection and has little dust accumulation, so it is in good condition. I plan to disassemble it for shipping, but if you prefer it unassembled, please comment after purchase. [Recommended Points] This model has a very high level of difficulty to assemble, and you can enjoy the impressive mechanisms. You'll never get tired of watching the internal pistons move through the transparent parts. It's perfect as interior decor for car enthusiasts and mechanics, as well as an educational tool for learning about engine structure.