Message Intercept Base (6987-2) is a Blacktron I LEGO set released in 1988 with 573 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Blacktron I sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 5 minifigures and 147 unique part types.
- → Browse the full parts inventory
- → See every minifigure included in the set
- → Verify loose bricks with our free part scanner
- → Check market value for parts and minifigs
Buying checklist
Quick context before you buy this set used or verify a marketplace listing.
-
Release year
1988 (38 years ago — may be retired)
-
Catalog scale
573 parts listed · 147 inventory lines tracked
-
Minifigures
5 in this set's inventory — verify completeness when buying used
-
Build manual
No digital manual in our catalog — check the box tab or LEGO.com
-
Build complexity
Large set — expect sticker sheets or multiple subassemblies; inspect photos closely
-
Gray era
Pre-2004 set — may use old light/dark gray instead of bluish gray
-
Shipping weight (est.)
~973 g for parts inventory (excludes box/minifig packaging)
-
Before you buy used
Run the completion checker, compare photos to the inventory, and check live listings for sealed pricing
Related sets in this theme
Market value
No estimate on BrickID yet
We don't pull live prices from marketplaces automatically — that requires paid seller API access. Check live listings below, or be the first to share a price you paid or saw.
Check live listings →Share a price you paid or saw
Help other collectors — we aggregate anonymous reports on this page.
Minifigures in Message Intercept Base
Parts in this set
147 parts · page 1 of 4 · updating…
-
Antenna 1 x 4 with Rounded Top3957a · ×2 · Yellow -
Antenna 1 x 4 with Rounded Top3957a · ×9 · Trans-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 -
Bar 1 x 4 x 2 with Studs4083 · ×2 · Black -
![Bar 1 x 6 [Open Studs]](https://cdn.rebrickable.com/media/parts/ldraw/0/4873.png)
Bar 1 x 6 [Open Studs]4873 · ×4 · Black -
Baseplate 32 x 323811 · ×1 · Light Gray -
Baseplate Raised 32 x 32 Craters without Crater Studs3947a · ×1 · Light Gray -
![Box 2 x 2 x 2 [Solid Studs]](https://cdn.rebrickable.com/media/parts/ldraw/0/4345a.png)
Box 2 x 2 x 2 [Solid Studs]4345a · ×1 · Black -
Box 2 x 2 x 2 Door with Slot4346 · ×1 · Black -
![Bracket 1 x 2 - 1 x 4 [Square Corners]](https://cdn.rebrickable.com/media/parts/elements/243626.jpg)
Bracket 1 x 2 - 1 x 4 [Square Corners]2436 · ×2 · Black -
Bracket 2 x 2 - 2 x 23956 · ×1 · Black -
![Bracket 3 x 2 - 2 x 2 [aka Space Seat]](https://cdn.rebrickable.com/media/parts/ldraw/14/4598.png)
Bracket 3 x 2 - 2 x 2 [aka Space Seat]4598 · ×1 · Yellow -
Bracket 8 x 2 x 1 1/34732 · ×1 · Black -
Brick 1 x 13005 · ×7 · Black -
Brick 1 x 1 x 5 with Blocked Open or Hollow Stud2453a · ×1 · Black -
Brick 1 x 162465 · ×6 · Black -
Brick 1 x 23004 · ×15 · Black -
Brick 1 x 33622 · ×11 · Black -
Brick 1 x 43010 · ×2 · Black -
Brick 1 x 63009 · ×7 · Black -
Brick 1 x 83008 · ×3 · Black -
Brick 2 x 23003 · ×10 · Black -
![Brick Arch 1 x 5 x 4 [Continuous Bow]](https://cdn.rebrickable.com/media/parts/elements/4159140.jpg)
Brick Arch 1 x 5 x 4 [Continuous Bow]2339 · ×2 · Black -
Brick Round 1 x 1 Open Stud3062b · ×2 · Black -
Brick Round 1 x 1 Open Stud3062b · ×11 · Trans-Red -
Brick Round 1 x 1 with Fins, Open Stud4588 · ×1 · Trans-Red -
Brick Sloped 45° 2 x 1 with Bottom Pin3040b · ×15 · Black -
Brick Sloped 45° 2 x 1 with Bottom pin, with 3 Red Lamps, 3 Yellow Buttons, Yellow Border print3040bpr0008 · ×3 · Black -
Brick Sloped 45° 2 x 23039 · ×3 · Black -
Brick Sloped 45° 2 x 2 with 12 Buttons, 3 Red Lamps, Yellow Panel Print3039pr9995 · ×3 · Black -
Brick Sloped 75° 2 x 1 x 3 with Open Stud4460a · ×6 · Black -
![Brick Sloped 75° 2 x 2 x 3 [Hollow Studs]](https://cdn.rebrickable.com/media/parts/elements/4143982.jpg)
Brick Sloped 75° 2 x 2 x 3 [Hollow Studs]3684 · ×2 · Black -
Brick Sloped Inverted 33° 3 x 2, No Connections between Studs, Ovoid Bottom Pin3747a · ×9 · Black -
Brick Sloped Inverted 34° 3 x 1 without Internal Stopper4287a · ×5 · Black -
Brick Sloped Inverted 45° 2 x 13665 · ×11 · Black -
![Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]](https://cdn.rebrickable.com/media/parts/elements/366026.jpg)
Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]3660 · ×12 · Black -
Brick Sloped Inverted 45° 4 x 2 Double with 2 x 2 Recessed4871 · ×1 · Black -
Brick Sloped Inverted 75° 2 x 1 x 32449 · ×4 · Black -
Brick Special 1 x 1 Studs on 4 Sides4733 · ×4 · Black -
Brick Special 1 x 1 with Headlight4070 · ×6 · Black -
![Cone 1 x 1 [No Top Groove]](https://cdn.rebrickable.com/media/parts/elements/618841.jpg)
Cone 1 x 1 [No Top Groove]4589 · ×1 · Trans-Red -
Cone 2 x 2 x 2, Open Stud3942c · ×2 · Yellow -
![Dish 2 x 2 Inverted [Radar]](https://cdn.rebrickable.com/media/parts/elements/474026.jpg)
Dish 2 x 2 Inverted [Radar]4740 · ×2 · Black -
![Dish 2 x 2 Inverted [Radar]](https://cdn.rebrickable.com/media/parts/elements/4142995.jpg)
Dish 2 x 2 Inverted [Radar]4740 · ×11 · Trans-Red -
![Dish 4 x 4 Inverted [Radar]](https://cdn.rebrickable.com/media/parts/ldraw/14/3960.png)
Dish 4 x 4 Inverted [Radar]3960 · ×2 · Yellow -
![Dish 8 x 8 Inverted [Radar], Solid Studs, Rounded Anti-stud Underside](https://cdn.rebrickable.com/media/parts/elements/4626901.jpg)
Dish 8 x 8 Inverted [Radar], Solid Studs, Rounded Anti-stud Underside3961 · ×1 · Black -
Engine, Strakes, 2 x 2 Thin Top Plate4229 · ×2 · Black -
![Equipment Camera with Side Sight [aka Space Gun]](https://cdn.rebrickable.com/media/parts/elements/436026.jpg)
Equipment Camera with Side Sight [aka Space Gun]4360 · ×1 · Black