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MOC-89126 1/40 4014 Big Boy RC Train Model Bricks Kit is a 3200+ piece building set featuring a remote-controlled, highly detailed steam locomotive replica. Priced at $279.99, it's ideal for advanced builders and train enthusiasts seeking a display-worthy, functional model.
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The MOC-89126 1/40 4014 Big Boy RC Train Model Bricks Kit is a premium 3200+ piece building set that replicates the iconic Union Pacific Big Boy steam locomotive. Designed by morningstrummer on Rebrickable, this MOC (My Own Creation) set delivers a highly accurate 1:40 scale model with a 4-8-8-4 wheel configuration—the only steam locomotive ever built with this design. Measuring 89cm in length, 8.5cm in width, and 13.5cm in height, it combines engineering precision with remote-controlled functionality for an immersive building and operating experience.
This set is tailored for advanced hobbyists, adult LEGO enthusiasts, and railroad history buffs seeking a challenging and rewarding build. It’s also suitable for educators or parents looking for STEM-focused projects for older teens. Given its complexity and RC features, it’s not recommended for young children. The model’s size and visual impact make it ideal for collectors and display purposes.
Compared to standard polypropylene brick sets or basic train models, this MOC set offers superior scale accuracy, remote control functionality, and a unique historical design. It surpasses typical static display models by integrating motion and mechanical realism. While not an official LEGO set, its precision and build quality rival premium licensed sets, especially in the niche of large-scale locomotive replicas.
This set is best for advanced builders aged 14+ with experience in complex brick models. It requires patience and attention to detail due to its 3200+ pieces and RC integration. Ideal for train enthusiasts or STEM-focused learners. If you prefer simpler builds, consider smaller-scale train sets. For similar realism without RC, explore static MOC locomotive kits.
How it compares: Compared to standard brick train sets, this MOC offers superior scale, remote control, and historical accuracy. It outperforms basic display models with functional mechanics and premium materials, positioning it as a top-tier choice among enthusiast-grade building kits.
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$159.99The model is built at a 1:40 scale, accurately representing the Union Pacific Big Boy locomotive with precise proportions and a 4-8-8-4 wheel configuration.
Yes, the set includes all necessary parts for remote-controlled operation, allowing the assembled train to move forward, backward, and turn with precision.
The kit contains 3200+ high-quality ABS building pieces, designed for a detailed and durable assembly of the Big Boy locomotive model.
It is recommended for ages 14 and up due to small parts and complex assembly. Adult supervision is advised for younger builders.
Yes, the kit supports STEM learning by teaching mechanical assembly, engineering concepts, and historical context of steam locomotives through hands-on building.
MOC-89126 1/40 4014 Big Boy RC Train Model Bricks Kit Building Blocks MOC Set 3200PCS+ is $279.99 at EngineDIYShop. Prices may change — click through to EngineDIYShop for the latest.
Yes, MOC-89126 1/40 4014 Big Boy RC Train Model Bricks Kit Building Blocks MOC Set 3200PCS+ is currently in stock at EngineDIYShop.
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