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Mould King 12031 Union Pacific 844 Steam Locomotive Building Set | 3,357 Pcs
Mould King

Mould King 12031 Union Pacific 844 Steam Locomotive Building Set | 3,357 Pcs

$199.99
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Introducing the majestic Mould King 12031 Union Pacific 844 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 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
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from 41 reviews

They have EVERYTHING and the best scale models selection within 150miles! Great family things to do too...race car track role-playing games. Trains and much more!

Richard C.
Mid-South Hobbies

I needed something very weird for a 3d printer part and crossed my fingers when I went to this shop as they deal mostly with a different style of hobbies. They not only had the screws I need but also had something that I didn't know existed and was exactly what I needed to make my repair. They have my business now and I am excited to return for more items.

Nick A.
Mid-South Hobbies

This place is awesome! They had just about every scale model manufacturer represented. Some of the decals in the huge drawers were out of production rare! The largest scale aircraft section between Little Rock and Kennesaw I have seen.
Half the hobby side is train stuff, and they have a large RC section. There was also a more thrift-type side that was interesting to browse. Just come and look!

Ernie H.
Mid-South Hobbies

Absolutely love this store. Am a kit builder and they have a wide collection of those, most any brand you can think of. I try and spend my money here as opposed to the almighty eBay or Amazon since I'd like to think I help keep this place open. All sorts and brands of paint to feed my airbrush. For non modelers, they have a phenomenal collection of RC, an inside slot car track, an offroad RC test track for smaller off road cars. An amazing collection of train models and trains. Ho type stuff. I'm not into those but they have a huge variety of this stuff. Then a bunch of collectibles and a card playing corner. Definitely worth a visit!

Jorgen S.
Mid-South Hobbies

The improvements are really great . We had a great day just hanging out . We were made to feel like family .We are RC inthusists . But found a ridiculous amount of things we are all interested in . We couldn't leave . Thank you midsouth hobbies ❣️ good job .

Shelby P.
Mid-South Hobbies

An amazing Mecca of rc/modeling hobby supplies and goods. The aisle of model paint will bring happy tears of elation to those who paint. Also they have an amazing crawler table set up for rc cars.

Dylan M.
Mid-South Hobbies

I have been a big fan of the store for a while, but the recent renovations are blowing me away. This is a great store full of every materials for all hobbies. Trains, RC cars and planes, models, games, and all the paints you could want. The staff are super friendly and will order anything they don’t have.

Eric S.
Mid-South Hobbies
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