Mould King 12031 Union Pacific 844 Steam Locomotive Building Set | 3,357 Pcs
SKU: 82184503547

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

Sale price$150.75 Regular price$167.50
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  • USA
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Ships within 48 hours · Estimated delivery Jul 4 - Jul 9

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Description

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

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 adds 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. 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
  • Oval Track Included
  • Incredibly Detailed Interior
  • Accurate Drivetrain
  • 2x L High Torque Motor
  • 1x MK4 Power Module
  • 1x Remote Controller
  • Building Instruction Booklet Included
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 82184503547

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Patty Cates
Fort Morgan, US
★★★★★ 5
Best puppy toy!
Color: Kentucky Wildcats, Style: NCAA #1 Fan Toy
My grand puppy loves loves this hand. I buy 1 every year for her. It’s her favorite puppy toy!!
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Reviewed in the United States on December 29, 2025
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Susan
Chelsea, US
★★★★★ 5
A Touchdown Toy for My Pups!
Color: Michigan Wolverines, Style: NCAA #1 Fan Toy
This has been a huge hit in our house! As a die-hard Michigan fan, I was thrilled to find a toy that combines my love for the Wolverines with my puppies playtime. The toy is well-made, durable, and the perfect size for fetch and tug-of-war games between my two pups. Not only is it tough enough to withstand some rough play, but it also holds up well after multiple washes. If you're a Michigan fan and want to spoil your furry friend with a toy that's both functional and fan worthy, this is the perfect choice. Go Blue and go fetch!
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Reviewed in the United States on December 24, 2024
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Amazon Customer
Pawtucket, US
★★★★★ 5
Best toy
Color: Georgia Bulldogs, Style: NCAA #1 Fan Toy
My dog absolutely loves this. Best toy, Go Dawgs!
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Reviewed in the United States on April 28, 2025
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J.P.
Bozeman, US
★★★★★ 3
Not for Aggressive Chewers
Color: Georgia Bulldogs, Style: NCAA #1 Fan Toy
Not for aggressive chewers. My puppy ripped it open as soon as I gave it to him.
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Reviewed in the United States on November 10, 2025
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Jen Scarbrough
Carnegie, US
★★★★★ 4
Pricey
Color: Georgia Bulldogs, Style: NCAA #1 Fan Toy
It was made very well. It is durable. But I really paid to much
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Reviewed in the United States on March 24, 2023

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