A Metamorphosis in LEGO Design!
175 pieces of pure inspiration

Celebrate the evolution of LEGO with this exclusive Design Seminar set, featuring 3 unique minifigures and a tribute to LEGO's rich history.

LEGO LEGO Design Seminar Set 2025 set 40231 - 175 pieces, LEGO Exclusive theme, product photo Pin It
LEGO LEGO Design Seminar Set 2025 set 40231
🏛 LEGO Exclusive
Set #40231

LEGO Design Seminar Set 2025

The LEGO Design Seminar Set 2025 is a delightful celebration of LEGO creativity.

🏆 Best For: LEGO fans of all ages who appreciate creative design and exclusive sets ⏱ 1.5 hr build 🧩 175 pcs
★★★★☆ 4.2

Fans appreciate the set's unique theme and exclusive minifigures. Some find the piece count low for the price, but the overall design and display appeal are well-received.

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📝 Our Take

The LEGO Design Seminar Set 2025 is a delightful celebration of LEGO creativity. This exclusive set offers a glimpse into the design process, making it both a fun build and a unique collectible.

This set is perfect for LEGO enthusiasts of all ages. The build is relatively quick and enjoyable, making it great for both beginners and experienced builders looking for a charming display piece.

Skip this if you are looking for complex building techniques or a large-scale project. Consider the LEGO Architecture series for more challenging builds with intricate details.

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🧱 Building Experience

🧩
175
Pieces
⏱
1.5h
Build Time
📊
Beginner
Difficulty
Build Highlights:
  • Creative use of wedge plates to create interesting shapes
  • Incorporates a variety of building techniques for a compact model
  • Features a unique color palette with Dark Azure and Blue
  • Designed to be a great display piece for any LEGO collection

📈 Investment Analysis

→ Price stable
B+
Investment Grade
⏳ Active
The LEGO Design Seminar Set 2025, being an exclusive set, holds reasonable investment potential. Its limited availability and unique theme contribute to its desirability among collectors. While the piece count is relatively low, the set's exclusivity and the potential for appreciation due to its niche appeal make it a worthwhile consideration for investors. However, monitor the secondary market to assess demand and price trends.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

⚖ Compare Similar Sets

Houses of the World 1
Houses of the World 1
LEGO Exclusive • 335 pcs
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Tribute to LEGO House
Tribute to LEGO House
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$49.99
Ray the Castaway
Ray the Castaway
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Compared to similar small exclusive sets, the Design Seminar Set offers a unique glimpse into the LEGO design process. While sets like 40583-1 (Houses of the World 1) offer more pieces, this set's focus on design principles and its unique color scheme make it a standout choice for collectors. It strikes a balance between display appeal and creative building experience.

3 Minifigures Included

Medium Lavender Suit, Trans-Pink Hair
Medium Lavender Suit, Trans-Pink Hair
4 parts
Dark Purple Torso, Sand Blue Legs, Reddish Brown Hair
Dark Purple Torso, Sand Blue Legs, Reddish Brown Hair
4 parts
Red Torso, Black Legs, Black Hat
Red Torso, Black Legs, Black Hat
4 parts
The set includes three unique minifigures, each with distinct torsos and hairpieces, adding to the set's collectible value. The Medium Lavender Suit minifigure with Trans-Pink Hair is particularly notable.
Browse All Minifigures → | Best Investment Minifigs

📦 Full Parts Inventory - 41 unique parts • 163 total pieces

Slope Curved 2 x 1 No Studs [1/2 Bow] Slope Curved 2 x ...
Part #: 11477 4× Dark Azure
Slope Curved 2 x 1 No Studs [1/2 Bow] Slope Curved 2 x ...
Part #: 11477 4× Blue
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Plate Special 1 x...
Part #: 15573 2× Black
Wedge Plate 4 Stud 45° Angle Plate Wedge Plate 4 Stu...
Part #: 15706 8× Black
Slope 45° 2 x 1 Inverted with 2/3 Cutout Slope 45° 2 x 1 I...
Part #: 2310 7× Black
Wedge Plate 2 x 2 Left Wedge Plate 2 x 2...
Part #: 24299 8× Dark Azure
Wedge Plate 2 x 2 Left Wedge Plate 2 x 2...
Part #: 24299 7× Blue
Tile 1 x 4 with Groove Tile 1 x 4 with G...
Part #: 2431 1× Black
Plant, Fern 2 x 3 x 2 Plant, Fern 2 x 3...
Part #: 2682 1× Opal Trans-Dark Pink
Slope Curved 2 x 1 with Stud Notch Left Slope Curved 2 x ...
Part #: 29120 4× Blue
Slope Curved 2 x 1 with Stud Notch Left Slope Curved 2 x ...
Part #: 29120 4× Dark Azure
Brick 2 x 2 Brick 2 x 2
Part #: 3003 1× Red
Plate 2 x 4 Plate 2 x 4
Part #: 3020 7× Black
Plate 2 x 3 Plate 2 x 3
Part #: 3021 2× Black
Plate 2 x 2 Plate 2 x 2
Part #: 3022 1× Black
Plate 1 x 2 Plate 1 x 2
Part #: 3023 4× Dark Azure
Plate 1 x 2 Plate 1 x 2
Part #: 3023 4× Blue
Brick Round 1 x 1 Open Stud Brick Round 1 x 1...
Part #: 3062b 5× Trans-Clear
Tile 2 x 2 with Groove Tile 2 x 2 with G...
Part #: 3068b 2× Black
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b 1× Blue
Tile 1 x 1 with Groove Tile 1 x 1 with G...
Part #: 3070b 2× Black
Plate 1 x 8 Plate 1 x 8
Part #: 3460 2× Blue
Plate 1 x 6 Plate 1 x 6
Part #: 3666 2× Medium Azure
Hinge Brick 1 x 2 Base Hinge Brick 1 x 2...
Part #: 3937 1× Black
Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] Plate Special 1 x...
Part #: 4081b 1× Black
Plate 8 x 8 Plate 8 x 8
Part #: 41539 2× Black
Wedge Plate 3 x 2 Right Wedge Plate 3 x 2...
Part #: 43722 10× Blue
Wedge Plate 3 x 2 Right Wedge Plate 3 x 2...
Part #: 43722 12× Dark Azure
Plate Special 1 x 2 [Open O Top Clip] Plate Special 1 x...
Part #: 44861 2× Black
Panel 1 x 2 x 1 [Rounded Corners] Panel 1 x 2 x 1 [...
Part #: 4865b 1× Black
Animal, Bird, Duck / Duckling with Black Eyes, Orange Beak Animal, Bird, Duc...
Part #: 49661pr0001 1× Yellow
Plate Special 2 x 2 with Horizontal T-Bar Underneath Plate Special 2 x...
Part #: 5066 1× Black
Tile 1 x 2 with Stud Notch Left Tile 1 x 2 with S...
Part #: 5091 4× Blue
Tile 1 x 2 with Stud Notch Left Tile 1 x 2 with S...
Part #: 5091 4× Dark Azure
Plate Round 4 x 4 with Pin Hole Plate Round 4 x 4...
Part #: 60474 1× Black
Brick Curved 2 x 4 x 1 1/3 Brick Curved 2 x ...
Part #: 6081 4× Black
Brick Curved 1 x 2 x 1 1/3 with Curved Top Brick Curved 1 x ...
Part #: 6091 8× Black
Hinge Brick 2 x 2 Top Plate Thin Hinge Brick 2 x 2...
Part #: 6134 2× Black
Turntable 4 x 4 Square Base, Locking Turntable 4 x 4 S...
Part #: 61485 1× Black
Tile 1 x 3 Tile 1 x 3
Part #: 63864 4× Black
Bar, Angled with 1 x 1 Round Plate / Stud on End Bar, Angled with ...
Part #: 65578 6× Trans-Clear
Brick Curved 2 x 2 x 1 1/3 Curved Top, Corner Brick Curved 2 x ...
Part #: 67810 4× Black
Plate Round 1 x 1 with Open Stud Plate Round 1 x 1...
Part #: 85861 1× Trans-Light Blue
Slope 30° 1 x 2 x 2/3 Slope 30° 1 x 2 x...
Part #: 85984 3× Black
Tile 2 x 4 with Groove Tile 2 x 4 with G...
Part #: 87079 1× Black
Brick Round 4 x 4 Centre Hole Brick Round 4 x 4...
Part #: 87081 1× Black
Plate Special 2 x 2 with Groove and Center Stud (Jumper) Plate Special 2 x...
Part #: 87580 5× Black
The set features a good selection of wedge plates in Dark Azure and Blue, which are useful for creating smooth, angled designs. The inclusion of Trans-Clear Bar, Angled with 1 x 1 Round Plate / Stud on End adds versatility for detailing.

🛒 Where to Buy

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💎 Notable Parts

Dark Azure Wedge Plate 3 x 2 Right (12x) $1.80
Blue Wedge Plate 3 x 2 Right (10x) $1.50
Black Brick Curved 1 x 2 x 1 1/3 with Curved Top (8x) $1.20
Trans-Clear Brick Round 1 x 1 Open Stud (5x) $0.75
Est. BrickLink Part Value
$5.25

💡 MOC Potential

🏙 Modern art museum with abstract sculptures
🚗 Futuristic micro-scale race car
🏛 Miniature architectural model of a famous building

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📰 LEGO Exclusive News

LEGO Design Seminar Set 2025 News (1)

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Charts Inventory Statistics

41
Unique Parts
163
Total Pieces
3
Minifigures
Inventory Version: 1

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