Challenging Building

Designed by MOC senior designers, it exists for challenges. Now there are great discounts, up to $1100 off.

MOC-131299: $1100 OFF(CODE: 1100)

MOC-64235: $800 OFF(CODE: 800)

MOC-43974 & MOC-123380: $550 OFF(CODE:550)

Other Challenging MOC Buildings: 18% OFF(CODE: 18)

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MOC - 131299 Medieval Castle - LesDiy MOC - 131299 Medieval Castle - LesDiy
LesDiy
LesDiy
MOC-131299 Medieval Castle
The model is originally designed and licensed by Sir Perceval. The product designed with a realistic appearance and rich interior details is a collection of 23 large-scale models, which are finally assembled into a castle on an enormous scale for an impressive display. Studs:...
$5,699.99
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$5,699.99
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A400M Atlas Large Transport Aircraft - Dynamic/Static - LesDiy A400M Atlas Large Transport Aircraft - Dynamic/Static - LesDiy
LesDiy
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LesDiy
A400M Atlas Large Transport Aircraft - Dynamic/Static
 🛫Authorized and designed by Tran Gia Phat.  🛫Dynamic Version: 14274 parts. Static version: 14294 parts.Q/A: Why does the static version have more parts than the dynamic version?Because the static version requires some of the parts needed to fill in the gaps where there is...
From $49.99
$1,199.99
From $49.99
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MOC - 127265 Sikorsky CH - 53E Super Stallion - LesDiy MOC - 127265 Sikorsky CH - 53E Super Stallion - LesDiy
LesDiy
LesDiy
MOC-127265 Sikorsky CH-53E Super Stallion
 🚁Authorized and designed by DarthDesigner.  🚁With a total of 2192 premium & rich-in-lustre parts.  🚁Sikorsky CH-53E Super Stallion:As the Sikorsky S-80, it was developed from the CH-53 Sea Stallion, mainly by adding a third engine, adding a seventh blade to the main rotor, and...
$89.99
$139.99
$89.99
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OHV 5.0LV8 General Motors Engine - LesDiy OHV 5.0LV8 General Motors Engine
LesDiy
LesDiy
OHV 5.0LV8 General Motors Engine
⚙Authorized and designed by Ronald Tewes. ⚙With a total of 1985 premium & rich-in-lustre parts. ⚙Detail: Comes with a battery compartment, a large L-shaped motor, and a M-shaped medium motor. ⚙Background:Manufacturer: Australia (General Motors)Production: 1969–2000Configuration: Naturally aspirated 90° V8Valvetrain: OHV 2 valves per cyl.Fuel System:...
$169.99
$195.99
$169.99
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LTM - 11200 14 Motors UCCS RC Engineering Crane Model - LesDiy LTM - 11200 14 Motors UCCS RC Engineering Crane Model - LesDiy
LesDiy
LesDiy
LTM-11200 14 Motors UCCS RC Engineering Crane Model
 ⚙This giant RC Engineering Crane Model is exclusively authorized by LesDiy.  ⚙With a total of 12205 premium & rich-in-lustre parts.  ⚙With a length of 145cm, 21cm width, and 32cm height, this 15.5 kg model is redesigned and manufactured according to the real vehicle in...
$1,399.99
$1,399.99
MOC - 89126 Union Pacific 4014 Big Boy - LesDiy MOC - 89126 Union Pacific 4014 Big Boy - LesDiy
LesDiy
LesDiy
MOC-89126 Union Pacific 4014 Big Boy
MOC-89126 was designed based on the biggest steam locomotive in history. This product was designed and authorized by Morningstrummer. the product is a highly realistic replica of the Big Boy steam locomotive, the biggest and most powerful steam locomotive in history. It is the only steam locomotive with 4-8-8-4 wheels in the...
$219.99
$269.99
$219.99
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MOC - 149250 AIRWOLF Bell 222 - LesDiy MOC - 149250 AIRWOLF Bell 222 - LesDiy
LesDiy
LesDiy
MOC-149250 AIRWOLF Bell 222
 🚁Authorized and designed by MOCturnal.  🚁With a total of 1039 premium & rich-in-lustre parts.  🚁Details in Design:The product is based on a special helicopter restoration design from a famous movie. Derived from the Bell 222, a twin turboshaft helicopter produced for the civilian market,...
$99.99
$119.99
$99.99
Save $20.00
MOC - 43974 Notre Dame de Paris - LesDiy MOC - 43974 Notre Dame de Paris - LesDiy
LesDiy
LesDiy
MOC-43974 Notre Dame de Paris
Giant Gothic Miracle built with 63181 bricks designed by Stebrick! Incredibly detailed following the REAL Notre Dame. Dimension in Inches: width: 20,4 Length 57,4 Height at the top of the central tower 40,1 Divided in 5 macro blocks easy to move, transport and to stock:...
$3,559.99
$3,559.99
MOC - 77106 Court House - LesDiy MOC - 77106 Court House - LesDiy
LesDiy
LesDiy
MOC-77106 Court House
Another masterpiece by STEBRICK! Design: The 2-floor court built with 13,905 bricks. At the first floor, there is a large hall with two entrances leading to the court room, where you can see Judge's stand, bench and tiles with colourful pattern. STEBRICK used many transparent...
$809.99
$999.99
$809.99
Save $190.00
MOC - 150482 Edgewater Keep Model - LesDiy MOC - 150482 Edgewater Keep Model - LesDiy
LesDiy
LesDiy
MOC-150482 Edgewater Keep Model Building Blocks
Original design by bricks_fan_uy, the MOC-150482 Edgewater Keep model, is suitable for any medieval theme block scene. The Edgewater Keep is a rather odd castle by the sea. It has a slightly religious vibe with the statue of the Lady of the sea in...
$109.99
$136.99
$109.99
Save $27.00
MOC - 49777 Liebherr L586 - LesDiy MOC - 49777 Liebherr L586 - LesDiy
LesDiy
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MOC-49777 Liebherr L586
12135 pieces mega dozer model kit. This product was designed and authorized by Technicbasics. The huge dozer blade, the exquisite cockpit and the solid body. All of these has done an excellent job of restoring the large construction machines. Power Function: 1) In order to be able to move the 10 kilogram...
From $699.99
From $699.99
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MOC - 68151 Lions' Castle - LesDiy MOC - 68151 Lions' Castle - LesDiy
LesDiy
LesDiy
MOC-68151 Lions' Castle
7500 pieces Medieval Castle. This product was designed and authorized by SleeplessNight. It is a medieval themed castle, but also a castle for defense. It consists of a large castle, a courtyard surrounded by a curtain wall, stables, two towers and a gatehouse. The interior...
$489.99
$629.99
$489.99
Save $140.00
MOC - 132661 Black Falcon's Fortress - LesDiy MOC - 132661 Black Falcon's Fortress - LesDiy
LesDiy
LesDiy
MOC-132661 Black Falcon's Fortress
🏰Designed and authorized by Dream Build Bricks. 🏰With a total of 6672 premium & rich-in-lustre parts. 🏰Design Details: Build Difficulty: Master Builder (MAXIMUM DIFFICULTY - 18+ years of age & 5+ years of building experience HIGHLY recommended). 🏰This MOC is based on the 6074...
$519.99
$569.99
$519.99
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MOC - 158878 T6 Space Shuttle - LesDiy MOC - 158878 T6 Space Shuttle - LesDiy
LesDiy
LesDiy
MOC-158878 T6 Space Shuttle
 👩‍🚀Authorized and designed by PiXEL-DAN.  👩‍🚀With a total of 1377 premium & rich-in-lustre parts.   👩‍🚀Background: This is a small T6 space shuttle model mainly in red and white that looks very cool and beautiful. With double-sided wing design, the wings can rotate 360 degrees around...
$99.99
$109.99
$99.99
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MOC - 80733 Urban Villa 1 - LesDiy MOC - 80733 Urban Villa 1 - LesDiy
LesDiy
LesDiy
MOC-80733 Urban Villa 1
MOC-80733 Urban Villa Modular Building. This product was designed and authorized by Brickstyle City. A contemporary, yet lively urban villa including a small courtyard garden in the middle of all the classically colorful and decorated modular houses, that was the inspiration for this MOC.The closed facade of...
$259.99
$259.99
MOC - 147549 Winter Country Church - LesDiy MOC - 147549 Winter Country Church - LesDiy
LesDiy
LesDiy
MOC-147549 Winter Country Church
 ⛪Designed and authorized by BigBobsBricks.  ⛪With a total of 1769 premium & rich-in-lustre parts.  ⛪Details: This MOC features tradition architectural details and a charming winter village aesthetic.This old English church MOC boasts gorgeous stained-glass windows, a clock tower and a cozy interior complete with...
$134.99
$149.99
$134.99
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MOC - 131268 H23 Main Palace with servants quarters, kitchen, royal apartment and throne room - LesDiy MOC - 131268 H23 Main Palace with servants quarters, kitchen, royal apartment and throne room - LesDiy
LesDiy
LesDiy
MOC-131268 H23 Main Palace with servants quarters, kitchen, royal apartment and throne room
Originally designed by Sir Perceval and authorized, MOC-131268 H23 Main Palace with Spectacular Rooms for MOC-131299 Complete Medieval Castle. The complete castle consists of 52 parts and has a total of 112,644 pieces.
$607.99
$0.00
$607.99
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MOC - 131267 H22 Outer Palace Wall - LesDiy MOC - 131267 H22 Outer Palace Wall - LesDiy
LesDiy
LesDiy
MOC-131267 H22 Outer Palace Wall
Originally designed by Sir Perceval and authorized, MOC-131267 H22 Outer Palace Wall for MOC-131299 Complete Medieval Castle. The complete castle consists of 52 parts and has a total of 112,644 pieces. 
$77.99
$0.00
$77.99
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MOC - 131265 H21 Stair Tower - LesDiy MOC - 131265 H21 Stair Tower - LesDiy
LesDiy
LesDiy
MOC-131265 H21 Stair Tower
Originally designed by Sir Perceval and authorized, MOC-131265 H21 Stair Tower for MOC-131299 Complete Medieval Castle. The complete castle consists of 52 parts and has a total of 112,644 pieces.
$132.99
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$132.99
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MOC - 131263 H20 Palace Courtyard with park - LesDiy MOC - 131263 H20 Palace Courtyard with park - LesDiy
LesDiy
LesDiy
MOC-131263 H20 Palace Courtyard with park
Originally designed by Sir Perceval and authorized, MOC-131263 H20 Palace Courtyard with Park (Flowers and Tree) for MOC-131299 Complete Medieval Castle. The complete castle consists of 52 parts and has a total of 112,644 pieces.
$110.99
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$110.99
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NEW ARRIVALS

AH - 64 Apache Helicopter Building Blocks - LesDiy AH - 64 Apache Helicopter Building Blocks - LesDiy
LesDiy
LesDiy
AH-64 Apache Helicopter Building Blocks
Designed by AceBricks, the AH-64 Apache military helicopter brick model represents a premier attack helicopter developed in the United States. It originated from an advanced armed helicopter program in the early 1970s as a successor to the AH-1 attack helicopter. 
$104.99
$104.99
Striker Eureka Robot Building Blocks - LesDiy Striker Eureka Robot Building Blocks - LesDiy
LesDiy
LesDiy
Striker Eureka Robot Building Blocks
Designed and authorized by TapirTech, this brick model faithfully recreates the appearance and proportions of the Striker, featuring its iconic streamlined armor and prominent shoulder antennas that highlight its unique mech style. The yellow energy core on the chest replicates the Jaeger’s power system,...
$637.99
$637.99
Combat Robot Denial Building Blocks - LesDiy Combat Robot Denial Building Blocks - LesDiy
LesDiy
LesDiy
Combat Robot Denial Building Blocks
Designed and authorized by Technicalities by KK, this product features a robust outer framework that enhances mobility and stability during battles. With a compact structure, multiple support points, and sharp red elements, it provides both defensive functionality and an aggressive design, perfect for intense...
$118.99
$118.99
Mocsage MOC - 88275 MH - 6 Little Bird Helicopter - LesDiy Mocsage MOC - 88275 MH - 6 Little Bird Helicopter - LesDiy
LesDiy
LesDiy
Mocsage MOC-88275 MH-6 Little Bird Helicopter
Designed and authorized by DinDJarJarin, the excellent MOC-88275 MH-6 Little Bird Helicopter model. The MH-6 Little Bird helicopter is the workhorse of special operations missions, used for attack, assault and reconnaissance. The MH-6 and attack AH-6, based on the OH-6 aircraft, have been used...
$35.99
$35.99
MOC - 96080 The Viking Mead Hall Building Blocks - LesDiy MOC - 96080 The Viking Mead Hall Building Blocks - LesDiy
LesDiy
LesDiy
MOC-96080 The Viking Mead Hall Building Blocks
The originally designed medieval-style Viking Mead Hall MOC-96080 building blocks set is designed & licensed by bricks_fan_uy. The extensible product is compatible with 31332. Multiple small sets can be combined into a castle or other works.
$59.99
$59.99
MOC - 131268 H23 Main Palace with servants quarters, kitchen, royal apartment and throne room (Copy) - LesDiy MOC - 131268 H23 Main Palace with servants quarters, kitchen, royal apartment and throne room (Copy) - LesDiy
LesDiy
Out Of Stock
LesDiy
MOC-131268 H23 Main Palace with servants quarters, kitchen, royal apartment and throne room (Copy)
Originally designed by Sir Perceval and authorized, MOC-131268 H23 Main Palace with Spectacular Rooms for MOC-131299 Complete Medieval Castle. The complete castle consists of 52 parts and has a total of 112,644 pieces.
$109.00
$0.00
$109.00
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Out Of Stock
MOC - 176289 Jazz Cafe - LesDiy MOC - 176289 Jazz Cafe - LesDiy
LesDiy
LesDiy
MOC-176289 Jazz Cafe
Designed by PL MOCs, the Jazz Cafe street view building block model is a multi-level masterpiece. The first floor features a music hall with instruments and a microphone for performers, plus a corner slide with cookies and a coffee machine. Hidden under the stairs...
$237.99
$237.99
1/300 Scale WWII Italy Vittorio Veneto Battleship Military MOC Building Blocks - LesDiy 1/300 Scale WWII Italy Vittorio Veneto Battleship Military MOC Building Blocks - LesDiy
LesDiy
LesDiy
1/300 Scale WWII Italy Vittorio Veneto Battleship Military MOC Building Blocks
Designed and authorized by count_of_brick, this meticulously crafted model faithfully recreates the iconic details and design elements of the Italy Vittorio Veneto Battleship. This set features the battleship's primary armament, comprising 9 cannons housed in three triple turrets. Two turrets are positioned forward in...
$258.99
$258.99
HALO Pelican D.77 Dropship - LesDiy HALO Pelican D.77 Dropship - LesDiy
LesDiy
LesDiy
HALO Pelican D.77 Dropship
Designed by BrickBoss, the D77 troop transport aircraft, commonly known as the D77 Pelican, is an extremely versatile vehicle. It is primarily used by the UNSC Navy, Marine Corps, Army, and Air Force for evacuating and transporting personnel, vehicles, and equipment. However, it can...
$182.99
$182.99
MOC - 193136  ADFX - 02 "Morgan" - LesDiy MOC - 193136  ADFX - 02 "Morgan" - LesDiy
LesDiy
LesDiy
MOC-193136  ADFX-02 "Morgan"
Designed by Darth_Revan04, the ADFX-02 is a futuristic building block fighter jet model inspired by cutting-edge aviation technology and sci-fi aesthetics. Its streamlined body and bold color scheme beautifully capture the dynamic essence of advanced fighter jets. 
$136.99
$136.99
MOC - 183229 Forest Festival Bundle - LesDiy MOC - 183229 Forest Festival Bundle - LesDiy
LesDiy
LesDiy
MOC-183229 Forest Festival Bundle
Designed by BricksBite, the "Forest Festival Market" is a vibrant building block set capturing the festive market atmosphere. It features multiple modules, including a drink stall with colorful umbrellas, a wooden cart filled with decorations, a cooking area with a large pot, a food...
$66.99
$0.00
$66.99
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MOC - 204044 Lion Knight's Modular Town Gate - LesDiy MOC - 204044 Lion Knight's Modular Town Gate - LesDiy
LesDiy
LesDiy
MOC-204044 Lion Knight's Modular Town Gate
Designed by BricksBite, this is a medieval-themed building block set that recreates the iconic Knight’s Town Gate scene. The structure features a sturdy tower and a section of wall, enriched with intricate details like green vines covering the tower, hanging flags, wooden eaves, and...
$75.99
$0.00
$75.99
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MOC - 201245 Medieval Opera House Building Blocks - LesDiy MOC - 201245 Medieval Opera House Building Blocks - LesDiy
LesDiy
LesDiy
MOC-201245 Medieval Opera House Building Blocks
A stunning opera house where citizens gather to enjoy their favorite dramas. Built on a 32x32 baseplate with an optional 16x32 fountain plaza, this two-story masterpiece includes an entrance, stage, seating area, dressing rooms, balconies, restrooms, and a beautifully designed fountain courtyard.  The opera...
$279.99
$279.99
1/8 Scale Ferrari F80 Sports Car Building Blocks - LesDiy 1/8 Scale Ferrari F80 Sports Car Building Blocks - LesDiy
LesDiy
LesDiy
1/8 Scale Ferrari F80 Sports Car Building Blocks - Black
Experience the ultimate F80 block sports car model, featuring an 8-speed DNR gearbox with paddle shifters, a realistic V6 engine, functional steering, and a retractable rear spoiler. Its opening engine hood, detailed chassis, and smooth exterior faithfully replicate the original car's intricate design. With...
$325.99
$325.99
  • Black
  • Red
1/8 Scale Mercedes - Benz AMG Vision GT Sports Car Building Blocks - LesDiy 1/8 Scale Mercedes - Benz AMG Vision GT Sports Car Building Blocks - LesDiy
LesDiy
LesDiy
1/8 Scale Mercedes-Benz AMG Vision GT Sports Car Building Blocks - Gray
This model is a Vision GT sports car made of building blocks. It is a highly detailed block model that replicates the distinctive design of the Vision GT concept car. Featuring a classic white body paired with black rims, it showcases a streamlined silhouette...
$235.99
$235.99
  • Gray
  • Yellow
  • White
  • Black
KC - 135 Stratotanker Model Kit Air Refueling Aircraft - LesDiy KC - 135 Stratotanker Model Kit Air Refueling Aircraft - LesDiy
LesDiy
LesDiy
KC-135 Stratotanker Model Kit Air Refueling Aircraft
Original design by bru_bri_mocs, licensed and modeled after the real active-duty U.S. military air refueling aircraft, featuring detailed craftsmanship and accurate proportions. KC-135 Stratotanker" designed by bru_bri_mocsThe KC-135 Stratotanker is a military aerial refueling tanker as well as one of the most strategically important...
$113.99
$113.99
V - 22 Osprey Tiltrotor Aircraft - LesDiy V - 22 Osprey Tiltrotor Aircraft - LesDiy
LesDiy
LesDiy
V-22 Osprey Tiltrotor Aircraft
This is a dynamic V-22 Osprey tiltrotor aircraft model designed and modified by AceBricks.   The V-22 Osprey is a unique aircraft in the US with vertical takeoff and landing (VTOL) and short takeoff and landing (STOL) capabilities. In appearance, it resembles a fixed-wing...
$199.99
$199.99
MOC - 133100 Dassault Rafale M - 1:35 Scale - LesDiy MOC - 133100 Dassault Rafale M - 1:35 Scale - LesDiy
LesDiy
LesDiy
MOC-133100 Dassault Rafale M - 1:35 Scale
Created and authorized by DarthDesigner, with extremely realistic interior design, MOC-133100 Dassault Rafale M offers a perfect reproduction of the realistic architecture.   Dassault Rafale MThe Dassault Rafale (French pronunciation: literally meaning “gust of wind”, or “burst of fire” in a more military sense)...
$123.99
$123.99
MOC - 198402 Downtown tram (Dynamic Version/530PCS/Yellow) - LesDiy MOC - 198402 Downtown tram (Dynamic Version/530PCS/Yellow) - LesDiy
LesDiy
LesDiy
MOC-198402 Downtown tram (Dynamic Version/530PCS/Yellow)
 🚄Designed and authorized by josszo.  🚄With a total of 530 premium & rich-in-lustre parts.  🚄Dynamic Tram Design: Crafted by renowned designer Josszo, this 3-car tram glides smoothly on train tracks, driven by a premium quality motor for a realistic urban train experience.
$78.99
$78.99
MOC - 119167 Alpine F1 A522 1:8 Scale - LesDiy MOC - 119167 Alpine F1 A522 1:8 Scale - LesDiy
LesDiy
LesDiy
MOC-119167 Alpine F1 A522 1:8 Scale
 🚗Authorized and designed by Lukas2020.  🚗Model Description: Designed by Lukas2020, this 1:8 scale masterpiece meticulously replicates every detail of the A522 race car. Discover its standout features, including front and rear suspension, a faux V6 engine, detachable front wing, engine cover, and headrest system....
$194.99
$194.99
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