The Mould King radial engine model kit from the Engines series offers a challenging building experience for tech enthusiasts. With a total of 3089 building blocks, you create a detailed model of a classic aircraft engine. The highlight of the model is the integrated electric motor, which drives the large, rotating propeller and sets the synchronized cylinders in motion. Thanks to the open design, the fascinating interplay of mechanical gears and pistons remains visible at all times. A sturdy display stand ensures a secure presentation of the finished exhibit.