Introducing the majestic Mould King 12031 Union Pacific 844 "Northern" 4-8-4 Steam Locomotive. This beautifully crafted model is made up of over 3,300 intricately designed pieces, bringing a legendary piece of railway history to your collection. Spanning an impressive 41.5 inches in length, this set captures the grandeur and mechanical complexity of one of the most famous steam locomotives in American history.

The Mould King 12031 is designed for both display and interactive play, featuring a remote-controlled drive that lets you maneuver the locomotive with ease. The front LED headlight and the ability to produce actual steam add to the realism, offering a truly immersive experience. It comes with an oval track using R104 curves measuring 1.7 meters in diameter, allowing ample room for operation.

This set includes a coal tender and water tender, each connected by strong magnetic links for secure and easy attachment. Inside, the cabin details are meticulously recreated to reflect the authentic interior of the steam locomotive. Powered by 2 L high-torque motors and controlled via an MK4 Power Module and a remote controller, this model doesn't just look stunning—it moves with power and precision.

Key Features:

Over 3,300 Pcs
41.5 inch long
Remote Controlled Drive
Front Led Headlight
Produces Actual Steam from Locomotive
Oval Track Included
Incredibly Detailed Interior
Accurate Drivetrain
2x L High Torque Motor
1x MK4 Power Module
1x Remote Controller
Building Instruction Booklet Included