AI-Powered Design Builder

Design Any
LEGO Set
with AI

Enter a prompt, get step-by-step build instructions and order the exact bricks you need — no guessing, no leftover pieces.

Start Designing Browse Library
LEGO bricks being assembled
6
Curated designs
8+
Steps per build
100%
Part lists included
Curated Builds

Explore the Design Library

Start with a curated design or use it as a foundation for your own creation. Every design includes step-by-step instructions and a complete parts list.

M
Medieval
Medieval Castle
Stone walls, moat, and working drawbridge
Pieces 847
Difficulty Hard
View Design
F
City
Fire Truck
Fully articulated with ladder and water tank
Pieces 612
Difficulty Medium
View Design
S
Space
Space Explorer Ship
Detailed cockpit and modular wings
Pieces 723
Difficulty Hard
View Design
P
Pirates
Pirate Ship
Full sail rigging and treasure deck
Pieces 450
Difficulty Medium
View Design
R
Speed
Race Car
V8 engine detail and aerodynamic body
Pieces 180
Difficulty Easy
View Design
B
Technic
Battle Mech
Articulated joints and weapon mounts
Pieces 320
Difficulty Medium
View Design
View All Designs
How It Works

From Idea to Build in 3 Steps

No design experience needed. Describe what you want and BrickLab handles the rest.

1
Describe Your Design
Type a prompt like "a medieval castle with a working drawbridge" or pick from our curated examples. Be as specific or creative as you like.
2
Get AI-Generated Instructions
Receive a detailed step-by-step build guide with numbered steps, brick quantities, colors, and assembly diagrams — instantly.
3
Order Bricks & Build
Every design comes with a complete parts list linked directly to BrickLink. Order exactly what you need and start building.
AI Customization

Make It
Completely Yours

Start from any design in the library and customize it to your taste. Change colors, swap components, scale up the difficulty — whatever you want.

Coming soon! We're building the AI generation engine now. Your prompt has been saved and we'll notify you when it's ready.
LEGO brick assembly
AI-Generated
Step-by-Step

Every Design Comes with
Detailed Build Instructions

No guessing. Each step shows exactly which bricks to use, how many, and where they go.

1
Lay the Foundation
Place 8×8 gray baseplate. Build perimeter wall base with 24 red bricks.
×24 Red
×1 Baseplate
2
Build the Four Corner Towers
Stack 6 bricks vertically at each corner. Add gray battlements at the top.
×24 Red
×12 Gray
3
Construct the Main Walls
Raise walls to 8 bricks high. Add walkway ledge at row 6. Leave arrow slits.
×64 Red
×8 Gray
Build instructions preview
See Full Instructions Create Your Own

Order the Exact Bricks You Need

Every design includes a complete parts list with direct links to BrickLink. No need to hunt through thousands of pieces — we tell you exactly what to buy.

Browse Parts Lists