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Back of the Box Builds

Back of the Box Builds

LEGO Alternate Builds!

  • SETS
    • Adventurers
    • Aquazone
    • Belville
    • Building Set with People
    • Castle
    • Duplo
    • Fabuland
    • Harry Potter
    • Holiday and Event
    • LEGOLAND
    • Model Team
    • Pirates
    • Space
    • Star Wars
    • Technic
    • Town
    • Universal Building Set
    • Western
    • More Sets
    • Misc
  • USEFUL LINKS
    • Submit Instructions!
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    • Minifigs
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    • Extra Large Builds
    • How BOTBB was Built
  • THIS IS AN INDEPENDENT SITE NOT AUTHORIZED OR SPONSORED BY THE LEGO GROUP

Blacktron

Blacktron Blacktron Alternate Builds Classic Space Classic Space Alternate Builds Comic Book Jim Spaceborn Space 

Robus

March 14, 2025April 10, 2025 Master Builder 2979 Views

MiscName: RobusSubmitted by: USERInstructions: Jim Spaceborn: The Unknown Galaxy

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Blacktron Blacktron Alternate Builds Captain Indigo Concepts and Prototypes Instructions Added LEGO Builders Club LEGO Magazine Space Very Small Alt Build Very Small Builds 

T42

March 9, 2025March 22, 2025 Master Builder 5170 Views

MiscBuild: T42 Instructions: View PDF | Download .io File Also Pictured: Blacktron Time Machine Bricks n Pieces: Spring 1988 – Page 4UK LEGO

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Blacktron Blacktron Alternate Builds Captain Indigo Concepts and Prototypes Instructions Added LEGO Builders Club LEGO Magazine Small Alt Build Small Builds Space 

Blacktron Time Machine

March 1, 2025March 22, 2025 Master Builder 5078 Views

MiscBuild: Blacktron Time Machine Instructions: View PDF | Download .io File Also pictured: T42 Bricks n Pieces: Spring 1988 – Page 4UK LEGO

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ABCs Blacktron Classic Space Commercials Space 

1988 Classic Space and Blacktron with Zack Commercial

August 16, 2023August 16, 2023 Master Builder 2764 Views

MiscFeatured: 6780: XT-Starship, 6954: Renegade, 6972: Polaris I Space Lab Build 1: Blacktron CadillacSubmitted By: USERInstructions: Build 2: Cosmic FleetSubmitted By: USERInstructions: Build 3: UFOSubmitted

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ABCs Blacktron Blacktron Alternate Builds Blacktron II Blacktron II Alternate Builds Concepts and Prototypes Space 

Blacktron Concept

February 23, 2023February 11, 2025 Master Builder 4424 Views

MiscTheme: Blacktron BrickJournal: Issue 6 Volume 2 – Page 39TwoMorrows PublishingPhoto Credit: Niels Milan Pedersen’s personal LEGO archives Build 1: TBDSubmitted

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Blacktron Blacktron Alternate Builds Idea Book Instructions Added Space Space Police I Space Police I Alternate Builds 

Book 260 – Page 46-47

February 5, 2023February 13, 2023 Master Builder 4143 Views

From: Idea Book 260Year Released: 1990 Build: Space Police Tactical Lock-up (Space Police) (Also on Page 42-43) Instructions: View PDF Build: Surveillance Tower

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Blacktron Alternate Builds Extra Large Builds Idea Book Instructions Added M:Tron Alternate Builds Small Alt Build Space Space Police I Alternate Builds 

Book 260 – Page 42-43

February 5, 2023February 14, 2023 Master Builder 4984 Views

From: Idea Book 260Year Released: 1990 Build: Space Police Tactical Lock-up (Space Police) (Also on Page 46-47) Instructions: View PDF Build: Surveillance Tower (Space

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ABCs Alternate Builds Blacktron Blacktron Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added Space 

6987 – Back B

March 29, 2022August 15, 2023 Master Builder 7211 Views

From: 6987: Message Intercept BaseName: Message Transporting Vessel Instructions: View PDF | Download .io File *Alternate Build Connection: 928 – Back A, 6932:

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Alternate Builds Blacktron Blacktron Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added 

6987 – Back D

February 24, 2022March 17, 2022 Master Builder 4377 Views

From: 6987: Message Intercept BaseName: Message Debugging Unit Instructions: View PDF | Download .io File

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ABCs Alternate Builds Blacktron Blacktron Alternate Builds Instructions Added Medium Alt Build Medium Builds 

6941 – Inside A

February 10, 2022July 31, 2023 Master Builder 4184 Views

From: 6941: BattraxName: B-Rex Instructions: View PDF | Download .io File *Alternate Build Connection: 6987 – Back C

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Alternate Builds Blacktron Blacktron Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added 

6987 – Back A

January 31, 2022February 1, 2022 Master Builder 4507 Views

From: 6987: Message Intercept BaseName: Message Processing Hub Instructions: View PDF | Download .io File

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Alternate Builds Blacktron Blacktron Alternate Builds Instructions Added Medium Alt Build Medium Builds 

6894 – Back B

January 13, 2022January 14, 2022 Master Builder 3175 Views

From: 6894: InvaderName: Ghost Reconship Instructions: View PDF | Download .io File

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Alternate Builds Blacktron Blacktron Alternate Builds Instructions Added Medium Alt Build Medium Builds 

6894 – Back A

January 10, 2022January 11, 2022 Master Builder 4905 Views

From: 6894: InvaderName: Blacktron Dragonfly Instructions: View PDF | Download .io File

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Blacktron Blacktron Alternate Builds Futuron Futuron Alternate Builds Idea Book Instructions Added Large Alt Build Large Builds M:Tron M:Tron Alternate Builds Space 

Book 260 – Page 44-45

November 1, 2021March 14, 2025 Master Builder 5365 Views

From: Idea Book 260Year Released: 1990 Build 1: Subsolar Scout (M:Tron) (Also on Page 42-43) Instructions: View PDF Build 2: M:Hopper

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Blacktron Blacktron Sets Bonus/Value Packs Castle Castle Sets Classic Town Forestmen Official Sets Small Builds Space Town Traffic 

1675: Legoland Triple Pack

October 12, 2021October 12, 2021 Master Builder 5459 Views

Year Released: 1990BricklinkContains Sets: 1875: Meteor Monitor, 1876: Soil Scooper, and 1877: Crusader’s Cart 

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Alternate Builds Blacktron Blacktron Alternate Builds Bonus/Value Pack Alternate Builds Instructions Added Small Alt Build Small Builds Space 

1875 – Back B

October 11, 2021September 7, 2023 Master Builder 2352 Views

From: 1675: Legoland Triple PackName: BT Walker Instructions: View PDF | Download .io File

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Alternate Builds Blacktron Blacktron Alternate Builds Bonus/Value Pack Alternate Builds Instructions Added Small Alt Build Small Builds Space 

1875 – Back A

October 11, 2021September 7, 2023 Master Builder 2684 Views

From: 1675: Legoland Triple PackName: BT Foldwing Instructions: View PDF | Download .io File

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Blacktron Blacktron Sets Bonus/Value Pack Sets LL Link Official Sets Very Small Builds 

1875: Meteor Monitor

July 14, 2021October 16, 2024 Master Builder 4507 Views

Year Released: 1990BricklinkInstructions BOX NOTE – This set was available in 1675: Legoland Triple Pack. The back of this box was glued

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Alternate Builds Blacktron Blacktron Alternate Builds Instructions Added Large Alt Build Large Builds Space 

6954 – Inside B

September 7, 2020March 14, 2025 Master Builder 4097 Views

From: 6954: RenegadeName: B:Mech and Mech Suit Support Vehicle Instructions: View PDF | Download .io File

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Alternate Builds Blacktron Blacktron Alternate Builds Instructions Added Large Alt Build Large Builds Space 

6954 – Inside A

September 7, 2020March 14, 2025 Master Builder 3650 Views

From: 6954: RenegadeName: Rebel Instructions: View PDF | Download .io File

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ABCs Bjarne Tveskov Blacktron Blacktron Sets Large Builds Official Sets Space 

6954: Renegade

September 7, 2020October 16, 2024 Master Builder 7372 Views

Year Released: 1987Designer: Bjarne TveskovBricklinkInstructions *Alternate Build Connection: 1988 Classic Space and Blacktron with Zack Commercial

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Blacktron Blacktron Sets Medium Builds Official Sets 

6894: Invader

November 20, 2019November 20, 2019 Master Builder 5951 Views

Year Released: 1987Bricklink

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ABCs Alternate Builds Blacktron Blacktron Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6876 – Back C

November 16, 2019July 31, 2023 Master Builder 3507 Views

From: 6876: AlienatorName: Scythe Instructions: View PDF | Download .io File *Alternate Build Connection: 6878 – Back A

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Alternate Builds Blacktron Blacktron Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6876 – Back B

November 16, 2019January 10, 2022 Master Builder 3228 Views

From: 6876: AlienatorName: BlackHawk Instructions: View PDF | Download .io File

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Alternate Builds Blacktron Blacktron Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6876 – Back A

November 16, 2019June 5, 2023 Master Builder 3667 Views

From: 6876: AlienatorName: Talon Instructions: View PDF | Download .io File

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ABCs Bjarne Tveskov Blacktron Blacktron Sets Official Sets Small Builds Space 

6876: Alienator

November 16, 2019October 16, 2024 Master Builder 6561 Views

Year Released: 1988Designer: Bjarne TveskovBricklinkInstructions *Alternate Build Connection: 6882: Walking Astro Grappler, 6878: Sub Orbital Guardian

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ABCs Alternate Builds Blacktron Blacktron Alternate Builds Instructions Added Large Alt Build Large Builds Space 

6987 – Back C

September 16, 2019April 17, 2024 Master Builder 5595 Views

From: 6987: Message Intercept BaseName: The Alienator Overlord Instructions: View PDF  | Download .io File Improved Instructions: View PDF *Alternate Build

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Alternate Builds Blacktron Blacktron Alternate Builds Instructions Added Large Alt Build Large Builds Space 

6941 – Inside B

September 15, 2019August 1, 2023 Master Builder 3082 Views

From: 6941: BattraxName: Battmobile Instructions: PDF (Photo Sequence)

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Blacktron Blacktron Sets Large Builds Official Sets 

6941: Battrax

September 13, 2019September 28, 2019 Master Builder 6870 Views

Year Released: 1987Bricklink

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Blacktron Blacktron Sets Daniel August Krentz Extra Large Builds Official Sets Space 

6987: Message Intercept Base

September 12, 2019August 4, 2023 Master Builder 9171 Views

Year Released: 1988Designer: Daniel August KrentzBricklinkInstructions

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EXPLORE MORE OFFICIAL SETS

6249: Pirates Ambush
Medium Builds Official Sets Pirates Pirates I Pirates Sets 

6249: Pirates Ambush

November 16, 2019February 20, 2025 Master Builder

Year Released: 1997Bricklink

6846: Tri-Star Voyager
Classic Space Classic Space Sets Official Sets Small Builds 

6846: Tri-Star Voyager

September 26, 2019September 28, 2019 Master Builder
1895: Sky Patrol
Classic Town Official Sets Police Small Builds Town Town Sets 

1895: Sky Patrol

June 1, 2022June 1, 2022 Master Builder
6370: Weekend Home
Building Classic Town Medium Builds Official Sets Town Town Sets 

6370: Weekend Home

February 17, 2023February 19, 2023 Master Builder
6495: Time Tunnelator
Official Sets Small Builds Time Cruisers Time Cruisers Sets 

6495: Time Tunnelator

July 14, 2021July 14, 2021 Master Builder
4479: TIE Bomber
Episode IV/V/VI Large Builds Official Sets Star Wars Star Wars Sets 

4479: TIE Bomber

January 6, 2025January 6, 2025 Master Builder
7121: Naboo Swamp
Official Sets Small Builds Star Wars Star Wars Sets 

7121: Naboo Swamp

March 2, 2023March 2, 2023 Master Builder
6615: Eagle Stunt Flyer
Airport Classic Town Official Sets Small Builds Town Town Sets 

6615: Eagle Stunt Flyer

January 5, 2022January 5, 2022 Master Builder
6280: Armada Flagship
Box Story Imperial Armada Large Builds Official Sets Pirates Pirates I Pirates Sets 

6280: Armada Flagship

July 13, 2021February 20, 2025 Master Builder
6817: Beta Buzzer
ABCs Insectoids Insectoids Sets Official Sets Space Very Small Builds 

6817: Beta Buzzer

June 1, 2022March 22, 2025 Master Builder
6260: Shipwreck Island
Niels Milan Pedersen Official Sets Pirates Pirates I Pirates Sets Small Builds 

6260: Shipwreck Island

April 9, 2020July 29, 2023 Master Builder
6361: Mobile Crane
Classic Town Construction Medium Builds Official Sets Town Town Sets 

6361: Mobile Crane

April 9, 2020April 9, 2020 Master Builder
6533: Police 4×4
Classic Town Official Sets Police Small Builds Town Town Sets 

6533: Police 4×4

January 6, 2022January 6, 2022 Master Builder
6557: Treasure Hunters
Divers Medium Builds Official Sets Town Town Sets 

6557: Treasure Hunters

December 29, 2021June 28, 2022 Master Builder
6394: Metro Park & Service Tower
Classic Town Extra Large Builds Gas Station Official Sets Town Town Sets Wrecker 

6394: Metro Park & Service Tower

February 17, 2023February 17, 2023 Master Builder
6055: Prisoner Convoy
Castle Castle Sets Forestmen Lion Knights Official Sets Small Builds 

6055: Prisoner Convoy

May 20, 2021October 1, 2024 Master Builder

BOXES

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About This Site

Logo
There were once pictures of additional LEGO® builds on the back of set boxes. Written on the boxes was typically something about the endless building possibilities, "Build any of these exciting models with this set!" There were no instructions for these alternate builds, until now.

Sets

  • Adventurers
  • Aquazone
  • Belville
  • Building Set with People
  • Castle
  • Duplo
  • Fabuland
  • Harry Potter
  • Holiday and Event
  • LEGOLAND
  • Model Team
  • Pirates
  • Space
  • Star Wars
  • Technic
  • Town
  • Universal Building Set
  • Western
  • More Sets
  • Misc

Useful Links

  • Submit Instructions!
  • New Instructions
  • New Official Sets
  • New Alternate Builds
  • Minifigs
  • Very Small Builds (<35 pcs)
  • Small Builds (<100 pcs)
  • Medium Builds (<200 pcs)
  • Large Builds (<400 pcs)
  • Extra Large Builds (>400 pcs)
  • How BOTBB was Built

In Honor of 1526

The classic space set that never was.

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