Detective's Office (10246-1) is a Modular Buildings LEGO set released in 2015 with 2,262 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Modular Buildings sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 6 minifigures and 431 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
2015 (11 years ago — may be retired)
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Catalog scale
2,262 parts listed · 431 inventory lines tracked
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Minifigures
6 in this set's inventory — verify completeness when buying used
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Build manual
Digital booklet available on this page — use it to verify bag contents
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Build complexity
Large set — expect sticker sheets or multiple subassemblies; inspect photos closely
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Shipping weight (est.)
~3,838 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
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Building instructions
Official LEGO instructions — read on BrickID
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Minifigures in Detective's Office
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Man, Blue Torso, White Legs, Light Bluish Grey Hair×1 -
Blue Torso, Dark Brown Legs, Black Hair×1 -
Detective Ace Brickman - Sand Blue Torso, Tan Legs, Dark Tan Hair×1 -
Red Torso, Red Legs, Medium Nougat Hair×1 -
Police, Medium Blue Torso, Dark Blue Legs, Dark Brown Hair×1 -
Man, Plaid Shirt, Dark Tan Legs, Dark Bluish Gray Cap×1
Parts in this set
431 parts · page 1 of 9 · updating…
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Animal Body Part, Cat Tail15429 · ×4 · Dark Bluish Gray -
Animal, Cat, Standing New Style with Dark Tan Chest and Muzzle, Brown Stripes, and Bright Pink Nose Print13786pr0002 · ×1 · Dark Orange -
Antenna 1 x 4 with Flat Top3957b · ×4 · Black -
Bag / Briefcase4449 · ×1 · Black -
![Bar 1 x 3 [Clip / Anti-Stud]](https://cdn.rebrickable.com/media/parts/elements/4141580.jpg)
Bar 1 x 3 [Clip / Anti-Stud]4735 · ×2 · Black -
![Bar 1 x 4 x 3 [End Tabs]](https://cdn.rebrickable.com/media/parts/elements/4521681.jpg)
Bar 1 x 4 x 3 [End Tabs]62113 · ×3 · Black -
![Bar 1L with Clip [Cut Edges and One Side Hole] [Gap in Clip]](https://cdn.rebrickable.com/media/parts/elements/4289538.jpg)
Bar 1L with Clip [Cut Edges and One Side Hole] [Gap in Clip]48729b · ×2 · Black -
Bar 1L with Top Stud and Two Side Studs92690 · ×1 · Light Bluish Gray -
Bar 1L with Top Stud and Two Side Studs92690 · ×1 · Reddish Brown -
Bar 3L87994 · ×1 · Light Bluish Gray -
Bar 4L (Lightsaber Blade / Wand)30374 · ×2 · White -
Bar 4L (Lightsaber Blade / Wand)30374 · ×4 · Pearl Gold -
Bar 4L (Lightsaber Blade / Wand)30374 · ×2 · Reddish Brown -
Bar 4L (Lightsaber Blade / Wand)30374 · ×1 · Light Bluish Gray -
Bar 5L with Handle (Friction Ram)87618 · ×1 · Black -
Bar 6L with Stop Ring63965 · ×1 · Reddish Brown -
Bar Holder with Clip11090 · ×1 · Pearl Gold -
Barrel 2 x 2 x 22489 · ×1 · Dark Brown -
Baseplate 32 x 323811 · ×1 · Reddish Brown -
![Box 2 x 2 x 2 [Hollow Studs]](https://cdn.rebrickable.com/media/parts/elements/4211491.jpg)
Box 2 x 2 x 2 [Hollow Studs]4345b · ×1 · Light Bluish Gray -
![Box 2 x 2 x 2 [Hollow Studs]](https://cdn.rebrickable.com/media/parts/elements/434501.jpg)
Box 2 x 2 x 2 [Hollow Studs]4345b · ×1 · White -
Box 2 x 2 x 2 Door with Slot4346 · ×1 · Trans-Clear -
Box 2 x 2 x 2 Door with Slot4346 · ×1 · Light Bluish Gray -
Bracket 1 x 2 - 1 x 299781 · ×1 · Black -
Bracket 1 x 2 - 1 x 299781 · ×4 · Light Bluish Gray -
Bracket 1 x 2 - 1 x 2 Inverted99780 · ×8 · Green -
Bracket 1 x 2 - 1 x 2 Inverted99780 · ×2 · Light Bluish Gray -
Bracket 1 x 2 - 1 x 2 Inverted99780 · ×4 · Dark Bluish Gray -
Bracket 1 x 2 - 2 x 244728 · ×1 · Black -
Bracket 1 x 2 - 2 x 2 Inverted99207 · ×6 · Black -
Bracket 1 x 2 - 2 x 2 Inverted99207 · ×3 · Red -
Brick 1 x 13005 · ×23 · Dark Blue -
Brick 1 x 13005 · ×16 · Tan -
Brick 1 x 13005 · ×2 · Medium Nougat -
Brick 1 x 13005 · ×8 · Reddish Brown -
Brick 1 x 13005 · ×2 · Trans-Orange -
Brick 1 x 13005 · ×2 · Blue -
Brick 1 x 13005 · ×24 · Medium Blue -
Brick 1 x 23004 · ×27 · Dark Blue -
Brick 1 x 23004 · ×28 · Reddish Brown -
Brick 1 x 23004 · ×15 · Medium Blue -
Brick 1 x 23004 · ×2 · White -
Brick 1 x 23004 · ×3 · Light Bluish Gray -
Brick 1 x 23004 · ×67 · Bright Light Blue -
Brick 1 x 23004 · ×8 · Tan -
Brick 1 x 23004 · ×6 · Dark Bluish Gray -
Brick 1 x 2 without Bottom Tube3065 · ×3 · Trans-Red -
Brick 1 x 2 x 2 with Inside Stud Holder3245c · ×6 · Dark Bluish Gray