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LEGO Design Seminar Set 2025 (40231-1) is a LEGO Exclusive LEGO set released in 2025 with 175 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing LEGO Exclusive sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 3 minifigures and 47 unique part types.
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Minifigures in LEGO Design Seminar Set 2025
Parts in this set
47 parts · updating…
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Animal, Bird, Duck / Duckling with Black Eyes, Orange Beak49661pr0001 · ×1 · Yellow -
Bar, Angled with 1 x 1 Round Plate / Stud on End65578 · ×6 · Trans-Clear -
Brick 2 x 23003 · ×1 · Red -
Brick Curved 1 x 2 x 1 1/3 with Curved Top6091 · ×8 · Black -
Brick Curved 2 x 2 x 1 1/3 Curved Top, Corner67810 · ×4 · Black -
Brick Curved 2 x 4 x 1 1/36081 · ×4 · Black -
Brick Round 1 x 1 Open Stud3062b · ×5 · Trans-Clear -
Brick Round 4 x 4 Centre Hole87081 · ×1 · Black -
Hinge Brick 1 x 2 Base3937 · ×1 · Black -
Hinge Brick 2 x 2 Top Plate Thin6134 · ×2 · Black -
![Panel 1 x 2 x 1 [Rounded Corners]](https://cdn.rebrickable.com/media/parts/elements/6146220.jpg)
Panel 1 x 2 x 1 [Rounded Corners]4865b · ×1 · Black -
Plant, Fern 2 x 3 x 22682 · ×1 · Opal Trans-Dark Pink -
Plate 1 x 23023 · ×4 · Blue -
Plate 1 x 23023 · ×4 · Dark Azure -
Plate 1 x 63666 · ×2 · Medium Azure -
Plate 1 x 83460 · ×2 · Blue -
Plate 2 x 23022 · ×1 · Black -
Plate 2 x 33021 · ×2 · Black -
Plate 2 x 43020 · ×7 · Black -
Plate 8 x 841539 · ×2 · Black -
Plate Round 1 x 1 with Open Stud85861 · ×1 · Trans-Light Blue -
Plate Round 4 x 4 with Pin Hole60474 · ×1 · Black -
![Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring]](https://cdn.rebrickable.com/media/parts/elements/408126.jpg)
Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring]4081b · ×1 · Black -
![Plate Special 1 x 2 [Open O Top Clip]](https://cdn.rebrickable.com/media/parts/elements/6347310.jpg)
Plate Special 1 x 2 [Open O Top Clip]44861 · ×2 · Black -
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)15573 · ×2 · Black -
Plate Special 2 x 2 with Groove and Center Stud (Jumper)87580 · ×5 · Black -
Plate Special 2 x 2 with Horizontal T-Bar Underneath5066 · ×1 · Black -
Slope 30° 1 x 2 x 2/385984 · ×3 · Black -
Slope 45° 2 x 1 Inverted with 2/3 Cutout2310 · ×7 · Black -
![Slope Curved 2 x 1 No Studs [1/2 Bow]](https://cdn.rebrickable.com/media/parts/elements/6137300.jpg)
Slope Curved 2 x 1 No Studs [1/2 Bow]11477 · ×4 · Dark Azure -
![Slope Curved 2 x 1 No Studs [1/2 Bow]](https://cdn.rebrickable.com/media/parts/elements/6055065.jpg)
Slope Curved 2 x 1 No Studs [1/2 Bow]11477 · ×4 · Blue -
Slope Curved 2 x 1 with Stud Notch Left29120 · ×4 · Blue -
Slope Curved 2 x 1 with Stud Notch Left29120 · ×4 · Dark Azure -
Tile 1 x 1 with Groove3070b · ×2 · Black -
Tile 1 x 2 with Groove3069b · ×1 · Blue -
Tile 1 x 2 with Stud Notch Left5091 · ×4 · Dark Azure -
Tile 1 x 2 with Stud Notch Left5091 · ×4 · Blue -
Tile 1 x 363864 · ×4 · Black -
Tile 1 x 4 with Groove2431 · ×1 · Black -
Tile 2 x 2 with Groove3068b · ×2 · Black -
Tile 2 x 4 with Groove87079 · ×1 · Black -
Turntable 4 x 4 Square Base, Locking61485 · ×1 · Black -
Wedge Plate 2 x 2 Left24299 · ×8 · Dark Azure -
Wedge Plate 2 x 2 Left24299 · ×7 · Blue -
Wedge Plate 3 x 2 Right43722 · ×10 · Blue -
Wedge Plate 3 x 2 Right43722 · ×12 · Dark Azure -
Wedge Plate 4 Stud 45° Angle Plate15706 · ×8 · Black