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LEGO Alternate Builds!

  • SETS
    • Adventurers
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  • THIS IS AN INDEPENDENT SITE NOT AUTHORIZED OR SPONSORED BY THE LEGO GROUP

Blacktron II

ABCs Blacktron II Comic Book Ice Planet 2002 Space 

Encounter at Ice Station Odyssey – Page 8-9

December 14, 2023December 21, 2023 Master Builder 3554 Views

From: Encounter at Ice Station Odyssey (LEGO Builders Club exclusive)Year Released: 1993Featured: 6983: Ice Station Odyssey, 6981: Aerial Intruder, 6897: Rebel Hunter,

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ABCs Blacktron II Comic Book Ice Planet 2002 Space 

Encounter at Ice Station Odyssey – Page 6-7

December 14, 2023December 21, 2023 Master Builder 3499 Views

From: Encounter at Ice Station Odyssey (LEGO Builders Club exclusive)Year Released: 1993Featured: 6973: Deep Freeze Defender, 6983: Ice Station Odyssey, 6981: Aerial Intruder

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ABCs Blacktron II Comic Book Ice Planet 2002 Space 

Encounter at Ice Station Odyssey – Page 4-5

December 14, 2023December 21, 2023 Master Builder 3631 Views

From: Encounter at Ice Station Odyssey (LEGO Builders Club exclusive)Year Released: 1993Featured: 6973: Deep Freeze Defender, 6983: Ice Station Odyssey,

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Blacktron II Comic Book Ice Planet 2002 Space 

Encounter at Ice Station Odyssey – Page 2-3

December 14, 2023December 21, 2023 Master Builder 3392 Views

From: Encounter at Ice Station Odyssey (LEGO Builders Club exclusive)Year Released: 1993Featured: 6834: Celestial Sled, 6973: Deep Freeze Defender, 6983:

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Blacktron II Comic Book Ice Planet 2002 Space 

Encounter at Ice Station Odyssey – Cover

December 14, 2023December 14, 2023 Master Builder 3396 Views

From: Encounter at Ice Station Odyssey (LEGO Builders Club exclusive)Year Released: 1993 NONE 🙁

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Blacktron II Blacktron II Alternate Builds Blacktron II Sets Jørn Thomsen Large Builds Official Sets Space Super Model 

6861: Blacktron Super Model

July 29, 2023July 29, 2023 Master Builder 4500 Views

Year Released: 1991Designer: Jørn ThomsenBricklinkInstructions

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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 4417 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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Alternate Builds Blacktron II Blacktron II Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

6933 – Back D

August 31, 2022September 19, 2022 Master Builder 2321 Views

From: 6933: Spectral StarguiderName: Blacktron Bee Instructions: View PDF | Download .io File

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

6933 – Back C

July 12, 2022July 13, 2022 Master Builder 4411 Views

From: 6933: Spectral StarguiderName: Middle-Axle Cruiser Instructions: View PDF | Download .io File

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

6933 – Back B

June 6, 2022June 6, 2022 Master Builder 3218 Views

From: 6933: Spectral StarguiderName: BT-2 Recon Trix Instructions: View PDF | Download .io File

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

6933 – Back A

May 18, 2022May 23, 2022 Master Builder 5646 Views

From: 6933: Spectral StarguiderName: BT Juggernaught Instructions: View PDF | Download .io File NOTE – The small ship in the top right cannot

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

6812 – Back C

February 12, 2021January 6, 2025 Master Builder 3348 Views

From: 6812: Grid TrekkorName: Grid Buggy Instructions: View PDF | Download .io File

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

6812 – Back B

February 12, 2021January 6, 2025 Master Builder 3016 Views

From: 6812: Grid TrekkorName: Grid Station Instructions: View PDF | Download .io File

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

6812 – Back A

February 12, 2021January 6, 2025 Master Builder 3043 Views

From: 6812: Grid TrekkorName: Grid Uplink Instructions: View PDF | Download .io File

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Bjarne Tveskov Blacktron II Blacktron II Sets Official Sets Space Very Small Builds 

6812: Grid Trekkor

February 12, 2021July 29, 2023 Master Builder 4638 Views

Year Released: 1991Designer: Bjarne TveskovBricklinkInstructions

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

1694 – Back C

February 9, 2021March 14, 2025 Master Builder 2962 Views

From: 1694: Galactic ScoutName: Galactic Simulator Instructions: View PDF | Download .io File

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

1694 – Back B

February 9, 2021March 14, 2025 Master Builder 2938 Views

From: 1694: Galactic ScoutName: Galactic VR System Instructions: View PDF | Download .io File

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

1694 – Back A

February 9, 2021March 14, 2025 Master Builder 3373 Views

From: 1694: Galactic ScoutName: Galactic Terminal Instructions: View PDF | Download .io File

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Blacktron II Blacktron II Sets Official Sets Space Very Small Builds 

1694: Galactic Scout

February 9, 2021February 9, 2021 Master Builder 4799 Views

Year Released: 1992BricklinkInstructions

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Blacktron II Blacktron II Sets Jørn Thomsen Medium Builds Official Sets Space 

6933: Spectral Starguider

April 13, 2020February 11, 2025 Master Builder 5822 Views

Year Released: 1991Designer: Jørn ThomsenBricklinkInstructions *Alternate Build Connection: RTron

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

6851 – Back C

October 24, 2019October 25, 2021 Master Builder 2656 Views

From: 6851: Tri-Wheeled TyraxName: Trianglax Instructions: View PDF | Download .io File

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

6851 – Back B

October 24, 2019October 25, 2021 Master Builder 2781 Views

From: 6851: Tri-Wheeled TyraxName: Flyrax Instructions: View PDF | Download .io File

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

6851 – Back A

October 24, 2019October 25, 2021 Master Builder 3152 Views

From: 6851: Tri-Wheeled TyraxName: Reverse Tyrax Instructions: View PDF | Download .io File

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ABCs Blacktron II Blacktron II Sets Official Sets Very Small Builds 

6851: Tri-Wheeled Tyrax

October 24, 2019July 31, 2023 Master Builder 4907 Views

Year Released: 1991BricklinkInstructions *Alternate Build Connection: 6861: Blacktron Super Model

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Alternate Builds Blacktron II Blacktron II Alternate Builds Large Builds 

6988 – Back D

October 24, 2019October 24, 2019 Master Builder 2918 Views

From: 6988: Alpha Centauri OutpostName: TBDSubmitted by: USERInstructions

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Alternate Builds Blacktron II Blacktron II Alternate Builds Large Builds 

6988 – Back C

October 24, 2019October 24, 2019 Master Builder 2285 Views

From: 6988: Alpha Centauri OutpostName: TBDSubmitted by: USERInstructions

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Alternate Builds Blacktron II Blacktron II Alternate Builds Large Builds 

6988 – Back B

October 24, 2019October 24, 2019 Master Builder 3096 Views

From: 6988: Alpha Centauri OutpostName: TBDSubmitted by: USERInstructions

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

6988 – Back A

October 24, 2019December 27, 2021 Master Builder 2856 Views

From: 6988: Alpha Centauri OutpostName: Sirius Station Instructions: View PDF | Download .io File

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Blacktron II Blacktron II Sets Large Builds Official Sets 

6988: Alpha Centauri Outpost

October 24, 2019October 24, 2019 Master Builder 6674 Views

Year Released: 1991Bricklink

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

6887 – Back D

October 5, 2019October 25, 2021 Master Builder 3338 Views

From: 6887: Allied AvengerName: Bitron Man Instructions: View PDF | Download .io File

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

6887 – Back C

October 5, 2019October 25, 2021 Master Builder 2964 Views

From: 6887: Allied AvengerName: Antenna Man Instructions: View PDF | Download .io File

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

6887 – Back B

October 5, 2019October 25, 2021 Master Builder 3347 Views

From: 6887: Allied AvengerName: Hefty Hulk Instructions: View PDF | Download .io File

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

6887 – Back A

October 5, 2019October 25, 2021 Master Builder 3229 Views

From: 6887: Allied AvengerName: Wieldy Wasp Instructions: View PDF | Download .io File

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ABCs Blacktron II Blacktron II Sets Official Sets Small Builds 

6887: Allied Avenger

October 5, 2019July 31, 2023 Master Builder 6905 Views

Year Released: 1991BricklinkInstructions *Alternate Build Connection: 6861: Blacktron Super Model

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

6832 – Back C

October 5, 2019October 25, 2021 Master Builder 3429 Views

From: 6832: Super Nova IIName: Anti-Nova Instructions: View PDF | Download .io File

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

6832 – Back B

October 5, 2019October 25, 2021 Master Builder 2832 Views

From: 6832: Super Nova IIName: Hyper Nova Instructions: View PDF | Download .io File

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

6832 – Back A

October 5, 2019October 25, 2021 Master Builder 2794 Views

From: 6832: Super Nova IIName: Blackthrone Instructions: View PDF | Download .io File

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Blacktron II Blacktron II Sets Official Sets Very Small Builds 

6832: Super Nova II

October 5, 2019October 5, 2019 Master Builder 5073 Views

Year Released: 1991Bricklink

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

6878 – Back C

October 4, 2019October 25, 2021 Master Builder 3325 Views

From: 6878: Sub Orbital GuardianName: Sub Zero Hero Instructions: View PDF | Download .io File

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

6878 – Back B

October 4, 2019October 25, 2021 Master Builder 3142 Views

From: 6878: Sub Orbital GuardianName: Cyno Surveyor Instructions: View PDF | Download .io File

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

6878 – Back A

October 4, 2019July 31, 2023 Master Builder 2748 Views

From: 6878: Sub Orbital GuardianName: Terra Protector Instructions: View PDF | Download .io File *Alternate Build Connection: 6876 – Back C

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ABCs Bjarne Tveskov Blacktron II Blacktron II Sets Official Sets Small Builds 

6878: Sub Orbital Guardian

October 4, 2019August 14, 2023 Master Builder 6121 Views

Year Released: 1991Designer: Bjarne TveskovBricklinkInstructions *Alternate Build Connection: 6882: Walking Astro Grappler, 6876: Alienator, 6861: Blacktron Super Model

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

6981 – Back D

September 22, 2019December 21, 2023 Master Builder 2791 Views

From: 6981: Aerial IntruderName: Terrestrial Intruder Instructions: View PDF | Download .io File *Alternate Build Connection: Encounter at Ice Station Odyssey – Page

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

6981 – Back C

September 22, 2019November 3, 2021 Master Builder 3206 Views

From: 6981: Aerial IntruderName: Mobile Intruder Instructions: View PDF | Download .io File

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

6981 – Back B

September 22, 2019March 14, 2025 Master Builder 3206 Views

From: 6981: Aerial IntruderName: Genesis Instructions: View PDF | Download .io File

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

6981 – Back A

September 22, 2019November 3, 2021 Master Builder 4212 Views

From: 6981: Aerial IntruderName: Base and Intruders Instructions: View PDF | Download .io File

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ABCs Blacktron II Blacktron II Sets Jørn Thomsen Large Builds Official Sets Space 

6981: Aerial Intruder

September 22, 2019August 15, 2023 Master Builder 5243 Views

Year Released: 1991Designer: Jørn ThomsenBricklinkInstructions *Alternate Build Connection: 928 – Back A, 6932: Stardefender 200, 6987 – Back B

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EXPLORE MORE OFFICIAL SETS

6748: Boulder Cliff Canyon
Indians Jørn Thomsen Large Builds Official Sets Western Western Sets 

6748: Boulder Cliff Canyon

April 16, 2021July 29, 2023 Master Builder

Year Released: 1997Designer: Jørn ThomsenBricklinkInstructions

1853: Navigator
Box Plus Different Box Versions Medium Builds Official Sets Playscape/Play Stage Box Time Cruisers Time Cruisers Sets 

1853: Navigator

March 18, 2025March 20, 2025 Master Builder
5958: Mummy’s Tomb
Adventurers Adventurers Sets Desert Large Builds Official Sets 

5958: Mummy’s Tomb

October 27, 2019July 14, 2022 Master Builder
4704: The Chamber of the Winged Keys
Harry Potter Harry Potter Sets Medium Builds Official Sets Sorcerer's Stone 

4704: The Chamber of the Winged Keys

May 28, 2024May 28, 2024 Master Builder
6880: Surface Explorer
Classic Space Classic Space Sets Official Sets Small Builds Space 

6880: Surface Explorer

May 4, 2020May 4, 2020 Master Builder
6012: Siege Cart
Castle Castle Sets Lion Knights Official Sets Small Builds 

6012: Siege Cart

September 24, 2024September 24, 2024 Master Builder
6368: Jet Airliner
Airport Classic Town Medium Builds Official Sets Town Town Sets 

6368: Jet Airliner

January 21, 2021January 21, 2021 Master Builder
770: Rescue Set
Hospital LEGOLAND Medium Builds Official Sets 

770: Rescue Set

September 15, 2022February 14, 2024 Master Builder
9355: Dacta Space Theme Set
Educational & Dacta Extra Large Builds Futron Sets Futuron Official Sets Space 

9355: Dacta Space Theme Set

March 2, 2023May 18, 2023 Master Builder
6278: Enchanted Island
Box Story Islanders Medium Builds Official Sets Pirates Pirates I Pirates Sets 

6278: Enchanted Island

February 20, 2025February 20, 2025 Master Builder
1371: Spinosaurus Attack Studio
Jurassic Park III Medium Builds Official Sets Studio Alternate Builds Studio Sets Studios 

1371: Spinosaurus Attack Studio

January 6, 2022June 4, 2024 Master Builder
1963: Basic Set with Storage Case
Basic Box Plus Large Builds Official Sets Storage Container Universal Building Set 

1963: Basic Set with Storage Case

October 9, 2024October 9, 2024 Master Builder
6332: Command Post Central
Large Builds LL Link Official Sets Police Town Town Jr Town Sets 

6332: Command Post Central

June 4, 2024July 11, 2024 Master Builder
1704: {Unknown – Ice Planet Satellite Plow ?}
Bonus/Value Pack Sets Classic Town Fire Ice Planet 2002 Ice Planet 2002 Sets Official Sets Small Builds Space Town 

1704: {Unknown – Ice Planet Satellite Plow ?}

September 6, 2023September 7, 2023 Master Builder
6503: Sprint Racer
Official Sets Race Town Town Sets Very Small Builds 

6503: Sprint Racer

July 9, 2022July 9, 2022 Master Builder
6030: Catapult
Black Falcons Castle Castle Sets Official Sets Small Builds 

6030: Catapult

April 2, 2022April 2, 2022 Master Builder

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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

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The classic space set that never was.

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