Mould King 10209 Aircraft Carrier Engine Building Blocks Set, Inline 6-Cylinder Military Aviation Carrier Engine Model Kit, Collectible Construction Toys Gift for Teen Adults(3222 PCS)

[Aircraft Carrier Engine Model]: The Mould King 10209 building set accurately recreates the mechanical structure of the inline 6-cylinder engine, the core of an aircraft carrier's power. Equipped with a motor and battery box, it dynamically simulates the operating principles of a real engine. [Adjustable Speed Design]: The model kit is equipped with a lever that can adjust four speeds. Users can easily control the engine speed through the push rod, observe the linkage between piston movement and transmission system. [Detailed Instructions Included]: The building set contains 3222+ blocks organized into numbered step-by-step packages to simplify the building process. With detailed 3D illustrated instructions, even beginners can confidently assemble complex mechanical structures. [Desktop Collection]: This model kit can be put on your desktop as a decoration after assembly, adding a unique mechanical art to your space, making your desktop a focal point for building blocks and machinery lovers. [Advanced Collector Gift]: The Mould King engine building sets are packed in a high-quality colorful gift box with a elegant design, making it an ideal choice for gifts. Whether it is a birthday, Christmas, Halloween, Thanksgiving, New Year or a special anniversary, it can bring surprises and exploration fun to your family.