$199.99
Earn 1300 Points Worth ~$10.00 rewards
Set # 31212
Released 2024
Pieces 3091
Price / Piece 6.5¢
Figures None
Age 18+
Scale & Brick Value Piece Volume & Pricing Ranks
Piece Rank
#54
Top 4% active
Historic Scale
#115 Top 1% of 20,150
Part Efficiency
#206 6.3¢/pc • Top 14%
Collector Insights Verified Oct 11, 2026
Includes 2 exclusive molds and 4 rare elements recorded across official inventories.
This set also includes 5 light extensions
View Kits ↓
More at Lego
We may earn a small commission from qualifying purchases at no extra cost to you.
Set 31212 Build Specifications & Overview
Complete build timeline, spatial dimensions, and display footprint analysis.
Value Breakdown
- Est. Build Time (*Pieces per minute)
- Casual 26.6h 2 ppm*AFOL (Avg) 13.3h 4 ppm*Master Builder 7.6h 7 ppm*
- Avg Price / Hour
- $15.04/hr
- Price Per Basic Brick
- $0.06
Specialty Part Value
Animals (2) $4.00
Specialty Total $4.00
Highly valuable! 33% cheaper than average LEGO sets.
Display Dimensions
Height 15.7 in (39.9 cm) 41 Bricks + 1 Plate high
Width 25.6 in (65.0 cm) 81 Studs wide
Depth 2 in (5.1 cm) 6 Studs deep
Display Footprint 51.2 sq in (330.3 sq cm) 81 × 6 Studs
The Scale Check
Height equivalent to approx 9.9 minifigures stacked.
Display Fit
Oversized: Requires Deep Tabletop Surface
Building Instructions
Download or view the official PDF
Third-Party Display Extension
Illuminate the Cosmos: The Best LED Kits for LEGO The Milky Way Galaxy 31212
BUILDS:5|STARTER: $59.99|PRO: $99.99|MEDIAN: $67.98
From the budget-conscious to the premium collector, the third-party lighting market for the Milky Way Galaxy offers a spectrum of choices. With a price range of $59.99 to $99.99, each kit brings a unique wiring philosophy and feature set, transforming the 3,091-piece masterpiece into a glowing celebration of deep space. Whether you're drawn to the reliability of modular expansion boards or the simplicity of pre-soldered harnesses, there's a kit that matches your display vision.
median standard
+$7.99(vs Cheapest Starter Kit)
Bright Stars, Modular Control, Two Flavors
$67.98
Starting At
Classic Version$67.98
Remote Control Version$77.98
BrickBling sits at the median price of $67.98, focusing on the central star cluster and cosmic backdrop. This kit uses modular micro-LEDs for clean concealment, and with the Classic and Remote Control versions, you can choose your desired level of ease. It's the go-to for builders who want a modular approach with a remote upgrade path, all without sacrificing a clean aesthetic.
Set Cost Ratio33.99%
RGB CapableNo
RemoteAvailable
Price Rank#3 of 5
upper mid
+$10.00(vs Cheapest Starter Kit)
Upper-Mid Shelf, Solid Connections
$69.99
Starting At
Classic$69.99
Remote$76.99
Game of Bricks enters at $69.99, offering a standard gauge harness with modular expansion boards for reliable connections. Choose between the basic Classic or add remote control for $7 more. This kit is a solid middle-of-the-road choice for builders who prefer a robust connection philosophy over micro-wires.
Set Cost Ratio35%
RGB CapableNo
RemoteAvailable
Price Rank#4 of 5
budget mid
+$5.00(vs Cheapest Starter Kit)
Budget Starry Sky, Small Price Tag
$64.99
Starting At
Classic$64.99
Remote$74.99
LeLightGo comes in just above the floor at $64.99, using modular micro-LEDs to light up the Milky Way's galactic arms. With a Classic option and a Remote version at $74.99, it offers two tiers to fit your budget. This kit is ideal for collectors seeking a cost-effective lighting solution without compromising on the cosmic glow.
Set Cost Ratio32.5%
RGB CapableNo
RemoteAvailable
Price Rank#2 of 5
budget floor
Budget Floor, Pre-Soldered Pulse
$59.99
Starting At
Standard Version$59.99
Lightailing's Briksmax 2.0 starts at the budget floor of $59.99, using a pre-soldered integrated harness for a straightforward install. It comes in a single standard edition with remote control, simplifying the choice. Perfect for those who prefer a thicker, pre-wired approach at the best price point.
Set Cost Ratio30%
RGB CapableNo
RemoteAvailable
Price Rank#1 of 5
premium ceiling
+$40.00(vs Cheapest Starter Kit)
Premium Price, Pure Cosmic Glow
$99.99
Starting At
Standard Version$99.99
LightMyBricks claims the premium spot at $99.99, the highest in the lineup, with a single standard edition that features an unknown wiring architecture. This kit promises a comprehensive illumination of the entire galaxy, although the lack of remote and RGB limits customization. It's for the collector who wants a top-tier price point and is willing to embrace the allure of the unknown.
Set Cost Ratio50%
RGB CapableNo
RemoteNone
Price Rank#5 of 5
Lighting kits and display add-ons are custom third-party accessories produced independently. They are not manufactured, sponsored, or endorsed by the LEGO Group.
Similar Builds
Other builds matching this age group and price range.
