How many pieces does the LEGO LEGO Design Seminar Set 2025 (40231-1) have?

The LEGO LEGO Design Seminar Set 2025 set (40231-1) contains 175 pieces. It was released in 2025 as part of the LEGO LEGO Exclusive theme.

How can I find missing parts for LEGO set 40231-1?

On BrickMissing you can check which parts from the LEGO LEGO Design Seminar Set 2025 (40231-1) you already own. Add your LEGO collection and we'll show exactly which of the 175 pieces you're missing and which you already have.

Can I build the LEGO LEGO Design Seminar Set 2025 with parts I already have?

Use BrickMissing's free parts checker to find out. Add LEGO sets you own to your collection and we'll cross-reference all 175 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO LEGO Design Seminar Set 2025 from?

The LEGO LEGO Design Seminar Set 2025 (40231-1) belongs to the LEGO LEGO Exclusive theme. You can browse all LEGO Exclusive sets on BrickMissing to find more sets from this theme.

LEGO Design Seminar Set 2025

🏷️ 40231-1•🎨 LEGO Exclusive•📅 2025•🧱 175 parts•Easy

LEGO Design Seminar Set 2025 (40231-1) is a LEGO LEGO Exclusive from 2025. This page uses the available set and theme data until a fuller product description is available.

Parts Inventory

🧱 175 parts

Part	Color	Qty
Slope Curved 2 x 1 No Studs [1/2 Bow] 11477	Black	4×
Slope Curved 2 x 1 No Studs [1/2 Bow] 11477	Dark Azure	4×
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) 15573	Black	2×
Wedge Plate 4 Stud 45° Angle Plate 15706	Black	8×
Slope 45° 2 x 1 Inverted with 2/3 Cutout 2310	Black	7×
Wedge Plate 2 x 2 Left 24299	Dark Azure	8×
Wedge Plate 2 x 2 Left 24299	Black	7×
Tile 1 x 4 with Groove 2431	Black	1×
Plant, Fern 2 x 3 x 2 2682	Opal Trans-Dark Pink	1×
Slope Curved 2 x 1 with Stud Notch Left 29120	Black	4×

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Wedge Plate 2 x 2 Left	24299	Dark Azure	8×
Wedge Plate 2 x 2 Left	24299	Black	7×
Tile 1 x 4 with Groove	2431	Black	1×
Plant, Fern 2 x 3 x 2	2682	Opal Trans-Dark Pink	1×
Slope Curved 2 x 1 with Stud Notch Left	29120	Black	4×
Slope Curved 2 x 1 with Stud Notch Left	29120	Dark Azure	4×
Brick 2 x 2	3003	Red	1×
Plate 2 x 4	3020	Black	7×
Plate 2 x 3	3021	Black	2×
Plate 2 x 2	3022	Black	1×
Plate 1 x 2	3023	Black	4×
Plate 1 x 2	3023	Dark Azure	4×
Brick Round 1 x 1 Open Stud	3062b	Trans-Clear	5×
Tile 2 x 2 with Groove	3068b	Black	2×
Tile 1 x 2 with Groove	3069b	Black	1×
Tile 1 x 1 with Groove	3070b	Black	2×
Plate 1 x 8	3460	Black	2×
Plate 1 x 6	3666	Medium Azure	2×
Hinge Brick 1 x 2 Base	3937	Black	1×
Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring]	4081b	Black	1×
Plate 8 x 8	41539	Black	2×
Wedge Plate 3 x 2 Right	43722	Black	10×
Wedge Plate 3 x 2 Right	43722	Dark Azure	12×
Plate Special 1 x 2 [Open O Top Clip]	44861	Black	2×
Panel 1 x 2 x 1 [Rounded Corners]	4865b	Black	1×
Animal, Bird, Duck / Duckling with Black Eyes, Orange Beak	49661pr0001	Yellow	1×
Plate Special 2 x 2 with Horizontal T-Bar Underneath	5066	Black	1×
Tile 1 x 2 with Stud Notch Left	5091	Dark Azure	4×
Tile 1 x 2 with Stud Notch Left	5091	Black	4×
Plate Round 4 x 4 with Pin Hole	60474	Black	1×
Brick Curved 2 x 4 x 1 1/3	6081	Black	4×
Brick Curved 1 x 2 x 1 1/3 with Curved Top	6091	Black	8×
Hinge Brick 2 x 2 Top Plate Thin	6134	Black	2×
Turntable 4 x 4 Square Base, Locking	61485	Black	1×
Tile 1 x 3	63864	Black	4×
Bar, Angled with 1 x 1 Round Plate / Stud on End	65578	Trans-Clear	6×
Brick Curved 2 x 2 x 1 1/3 Curved Top, Corner	67810	Black	4×
Plate Round 1 x 1 with Open Stud	85861	Trans-Light Blue	1×
Slope 30? 1 x 2 x 2/3	85984	Black	3×
Tile 2 x 4 with Groove	87079	Black	1×
Brick Round 4 x 4 Centre Hole	87081	Black	1×
Plate Special 2 x 2 with Groove and Center Stud (Jumper)	87580	Black	5×
Torso, White 'LEGO DESIGN' print, Dark Purple Arms, Yellow Hands	973c09h01pr0004	Dark Purple	1×
Hair Ponytail and Swept Sideways Fringe	87990	Reddish Brown	1×
Hips and Sand Blue Legs	970c24	Sand Blue	1×
Minifig Head, Dark Orange Glasses, Peach Lips, Smile / Concerned Print	3626cpr3770	Yellow	1×
Hips and Medium Lavender Legs	970c33	Medium Lavender	1×
Minifig Head with Yellow Face, Smile	28621pr9488	Medium Lavender	1×
Torso, Magenta Superhero Suit Outlines print, Medium Lavender Arms, Magenta Hands	973c33h37pr0001	Medium Lavender	1×
Hair, Ponytail Long Wavy with Trans-Orange Pattern	1987pat0003	Trans-Pink	1×
Cap, Police Style	3624	Black	1×
Hips and Black Legs	970c03	Black	1×
Torso Shirt, Patch Pocket Print, Red Arms, Yellow Hands	973c22h01pr0061	Red	1×
Minifig Head Standard Grin Print [Hollow Stud]	3626cpr0001	Yellow	1×

Build DNA

Parts inventory insights for LEGO Design Seminar Set 2025

175 pieces puts this build -74% against the average LEGO Exclusive set and -73% against the average 2025 release.

LEGOLEGO EXCLUSIVE

Vs average LEGO Exclusive set

-74%-499 parts

This set175

Average set674

Average LEGO Exclusive set: 674 pieces across 59 other sets.

Vs average 2025 set

-73%-463 parts

This set175

Average set638

Average 2025 set: 638 pieces across 561 other sets.

Color profile

13different colors

Dominant color

Black

Black112x

64%

Dark Azure36x

21%

Trans-Clear11x

Yellow3x

Unique parts

3.3 pieces per unique type

Repeat factor

Average pieces per unique type.

Most used part

Wedge Plate 3 x 2 Right

22x

Results are based on official LEGO part inventories. Accuracy improves as you confirm set completeness.

This site is not affiliated with or endorsed by the LEGO Group.

Build Insights🧩53unique parts🎨13different colors📊13.5avg. parts per color🏆22×Wedge Plate 3 x 2 Right

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