Mystery Box 3 - Space (MYSTERYBOX-3) is a LEGO Brand Store LEGO set released in 2018 with 65 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing LEGO Brand Store sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 35 unique part types.
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Buying checklist
Quick context before you buy this set used or verify a marketplace listing.
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Release year
2018 (8 years ago — may be retired)
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Catalog scale
65 parts listed · 35 inventory lines tracked
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Minifigures
No minifigs in inventory (brick-only or Technic set)
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Build manual
No digital manual in our catalog — check the box tab or LEGO.com
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Shipping weight (est.)
~123 g for parts inventory (excludes box/minifig packaging)
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Before you buy used
Run the completion checker, compare photos to the inventory, and check live listings for sealed pricing
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Market value
No estimate on BrickID yet
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Parts in this set
35 parts · updating…
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Bar 3L87994 · ×2 · Light Bluish Gray -
![Brick Curved 2 x 1 No Studs [1/2 Bow]](https://cdn.rebrickable.com/media/parts/elements/6094143.jpg)
Brick Curved 2 x 1 No Studs [1/2 Bow]11477 · ×2 · Dark Blue -
Brick Curved 2 x 2 with Lip, No Studs30602 · ×1 · Trans-Brown -
Brick Curved 3 x 1 No Studs50950 · ×2 · Yellow -
Brick Curved 3 x 1 No Studs50950 · ×2 · Blue -
Brick Curved 4 x 1 Double with No Studs93273 · ×2 · Blue -
Brick Curved 4 x 1 Double with No Studs93273 · ×2 · Yellow -
Brick Round 2 x 2 Truncated Cone98100 · ×1 · Black -
Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)54200 · ×2 · Trans-Yellow -
Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)54200 · ×2 · Dark Blue -
Brick Sloped 45° 2 x 1 with Bottom Pin3040b · ×2 · Yellow -
Brick Special 1 x 1 with Stud on 1 Side87087 · ×4 · Blue -
Brick Special 1 x 1 with Stud on 1 Side87087 · ×4 · Yellow -
![Cone 1 x 1 [Top Groove]](https://cdn.rebrickable.com/media/parts/elements/4567332.jpg)
Cone 1 x 1 [Top Groove]59900 · ×2 · Trans-Yellow -
Plate 1 x 23023 · ×1 · Yellow -
Plate 2 x 23022 · ×1 · Yellow -
Plate 2 x 33021 · ×2 · Yellow -
Plate 2 x 43020 · ×2 · Blue -
Plate 2 x 43020 · ×1 · Yellow -
Plate 2 x 63795 · ×1 · Light Bluish Gray -
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)15573 · ×1 · Blue -
Plate Special 1 x 2 with Clip Horizontal on End63868 · ×2 · Yellow -
![Plate Special 1 x 2 with Handles [Flat Ends / Low Attachment]](https://cdn.rebrickable.com/media/parts/elements/4211464.jpg)
Plate Special 1 x 2 with Handles [Flat Ends / Low Attachment]3839b · ×1 · Light Bluish Gray -
Plate Special 1 x 4 with Angled Tubes61072 · ×1 · Flat Silver -
Tile Round 1 x 198138 · ×2 · Trans-Yellow -
Tile Special 1 x 1 with Clip with Rounded Edges15712 · ×2 · Black -
Tile Special 1 x 2 Grille with Bottom Groove2412b · ×2 · Flat Silver -
Weapon Sword, Big Blade with Bar98137 · ×2 · Flat Silver -
Wedge Plate 2 x 2 Cut Corner26601 · ×4 · Yellow -
Wedge Plate 3 x 2 Left43723 · ×2 · Blue -
Wedge Plate 3 x 2 Right43722 · ×2 · Blue -
Wedge Plate 3 x 3 Cut Corner2450 · ×2 · Light Bluish Gray -
Wedge Plate 4 x 4 Cut Corner30503 · ×2 · Black -
Wedge Plate 8 x 3, 22° Left50305 · ×1 · Light Bluish Gray -
Wedge Plate 8 x 3, 22° Right50304 · ×1 · Light Bluish Gray