Sonar Security (6852-1) is a Space Police II LEGO set released in 1993 with 61 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Space Police II sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 1 minifigure and 32 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
1993 (33 years ago — may be retired)
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Catalog scale
61 parts listed · 32 inventory lines tracked
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Minifigures
1 in this set's inventory — verify completeness when buying used
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Build manual
No digital manual in our catalog — check the box tab or LEGO.com
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Gray era
Pre-2004 set — may use old light/dark gray instead of bluish gray
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Shipping weight (est.)
~113 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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Minifigures in Sonar Security
Parts in this set
32 parts · updating…
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Antenna 8H Whip2569 · ×1 · Red -
![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 -
Bracket 2 x 2 - 2 x 23956 · ×1 · Light Gray -
Bracket 8 x 2 x 1 1/34732 · ×1 · Black -
Brick 2 x 23003 · ×1 · Black -
Brick 2 x 43001 · ×1 · Black -
Brick Round 2 x 2 with Axle Hole3941 · ×1 · Black -
Brick Round 2 x 2 x 2 with Axle Hole and Fins4591 · ×1 · Light Gray -
Brick Sloped Inverted 33° 3 x 2, No Connections between Studs, Ovoid Bottom Pin3747a · ×1 · Black -
Cone 2 x 2 x 2, Blocked Open Stud3942b · ×1 · Light Gray -
![Dish 2 x 2 Inverted [Radar]](https://cdn.rebrickable.com/media/parts/elements/4113863.jpg)
Dish 2 x 2 Inverted [Radar]4740 · ×2 · Trans-Green -
![Engine - Smooth, Small 1 x 2 Side Plate [With Axle Holders]](https://cdn.rebrickable.com/media/parts/elements/347526.jpg)
Engine - Smooth, Small 1 x 2 Side Plate [With Axle Holders]3475b · ×2 · Black -
Equipment Weapon, Loudhailer / Speaker / Blaster / Space Gun4349 · ×1 · White -
Hinge Brick 1 x 2 Base3937 · ×1 · Black -
Hinge Brick 1 x 2 Top Plate Thin3938 · ×1 · Black -
Lever Small Base with Black Lever298c02 · ×1 · Black -
Plate 1 x 23023 · ×1 · Light Gray -
Plate 1 x 23023 · ×1 · Black -
Plate 2 x 2 with Towball3729 · ×1 · Light Gray -
![Plate Special 1 x 1 with Clip Horizontal [Thick U Clip]](https://cdn.rebrickable.com/media/parts/elements/601926.jpg)
Plate Special 1 x 1 with Clip Horizontal [Thick U Clip]6019 · ×2 · Black -
![Plate Special 1 x 2 Side Handle [Free Ends]](https://cdn.rebrickable.com/media/parts/elements/254021.jpg)
Plate Special 1 x 2 Side Handle [Free Ends]2540 · ×2 · Red -
Plate Special 1 x 2 with 1 Stud without Groove (Jumper)3794a · ×1 · Black -
Plate Special 2 x 2 with 2 Pin Holes2817 · ×4 · Black -
Plate Special 2 x 2 with Towball Socket, Short, 4 Slots3730 · ×1 · Light Gray -
Steering Stand 1 x 2 with Black Steering Wheel3829c01 · ×1 · Black -
Technic Pin without Friction Ridges Lengthwise3673 · ×8 · Light Gray -
Tile 2 x 2 with Space Police II Print logo3068bpr0075 · ×1 · Black -
Tile Special 1 x 2 Grille with Bottom Groove2412b · ×1 · Light Gray -
Wedge Plate 3 x 4 without Stud Notches4859 · ×1 · Light Gray -
Wedge Plate 3 x 6 Cut Corners2419 · ×2 · Black -
Wheel Hard Plastic Small (22mm D. x 24mm)6118 · ×8 · Black -
Windscreen 5 x 2 x 1 2/36070 · ×1 · Trans-Green