The World’s First Engine Model with Realistic Variable Valve Timing, 771pcs of Pure JDM Engineering Brilliance! You've never built an engine like this. This is the only engine model ever created that features a functional Variable Valve Timing system, a breakthrough in scale engineering. Precision-crafted for true enthusiasts, this 771-piece 4-cylinder JDM engine brings an elite level of realism straight to your hands. Standing at 18cm tall and driven by a powerful electric motor, every piston, gear and valve moves in harmony, just like its full-sized counterpart. You'll get an exposed timing chain, detailed crankshaft assembly, intake and chrome exhaust manifolds, crankshaft pulley, battery box, radiator + fans and even a multi-stage visible gear mechanism that turns into a show. This is mechanical mastery, JDM-style. Build it. Admire it. Show it off. Dimensions:15.2cm x 15.7cm x 18.1cm6in x 6.2in x 7in Key Features: 18cm Tall Over 700 Pieces Variable Valve Timing Detailed Valve Mechanism 4 Cylinders Moving Pistons Multi-Stage Visible Gear Assembly Naturally Aspirated Exposed Timing Chain Connecting Rods Intake Manifold Chrome Exhaust Manifold Crankshaft Crankshaft Pulley Radiator Radiator Fans Battery Box 1x Large Electric Motor Clockwise & Anticlockwise Rotation Epic Level of Detail & Accuracy Building Instruction Booklet Included in Parcel