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Back of the Box Builds

Back of the Box Builds

Build any of these exciting models with this set!

  • THEMES
    • Adventurers
    • Aquazone
    • Belville
    • Building Set with People
    • Castle
    • Harry Potter
    • Holiday and Event
    • Model Team
    • Pirates
    • Space
    • Star Wars
    • Rock Raiders
    • Technic
    • Town
    • Western
  • USEFUL LINKS
    • Contribute!
    • About
    • Alternate Builds
    • Instructions Added
    • Minifigs
    • Very Small Builds
    • Small Builds
    • Medium Builds
    • Large Builds
    • Extra Large Builds
  • THIS IS AN INDEPENDENT SITE NOT AUTHORIZED OR SPONSORED BY THE LEGO GROUP

Classic Space

Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Builds 

6844 – Back B

October 22, 2019October 22, 2019 Master Builder 605 Views

From: 6844: Seismologic Vehicle (Sismobile)Name: TBDSubmitted by: matt_0937Instructions: View PDF | Download .io File

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6844 – Back C

October 22, 2019October 22, 2019 Master Builder 646 Views

From: 6844: Seismologic Vehicle (Sismobile)Name: TBDSubmitted by: matt_0937Instructions: View PDF | Download .io File

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Classic Space Classic Space Sets Official Sets Small Builds 

6844: Seismologic Vehicle (Sismobile)

October 22, 2019October 22, 2019 Master Builder 938 Views

Year Released: 1983Bricklink

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6846 – Back A

September 26, 2019October 6, 2019 Master Builder 551 Views

From: 6846: Tri-Star VoyagerName: Mini Destroyer ‘Skyfrog’Submitted by: plastic.atiInstructions: PDF (Photo Sequence)

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6846 – Back B

September 26, 2019October 6, 2019 Master Builder 595 Views

From: 6846: Tri-Star VoyagerName: Tri-Star StarfighterSubmitted by: plastic.atiInstructions: PDF (Photo Sequence)

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6846 – Back C

September 26, 2019October 6, 2019 Master Builder 626 Views

From: 6846: Tri-Star VoyagerName: Tri-Star StarsailerSubmitted by: plastic.atiInstructions: PDF (Photo Sequence)

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6846: Tri-Star Voyager

September 26, 2019September 28, 2019 Master Builder 700 Views

Year Released: 1984Bricklink

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Alternate Builds Classic Space Classic Space Classic Space Alternate Builds Space Very Small Builds 

6849 – Back A

January 13, 2021January 13, 2021 Master Builder 467 Views

From: 6849: Satellite PatrollerName: TBDSubmitted by: USERInstructions:

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Alternate Builds Classic Space Classic Space Classic Space Alternate Builds Space Very Small Builds 

6849 – Back B

January 13, 2021January 13, 2021 Master Builder 486 Views

From: 6849: Satellite PatrollerName: TBDSubmitted by: USERInstructions:

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Alternate Builds Classic Space Classic Space Classic Space Alternate Builds Space Very Small Builds 

6849 – Back C

January 13, 2021January 13, 2021 Master Builder 480 Views

From: 6849: Satellite PatrollerName: TBDSubmitted by: USERInstructions:

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6849: Satellite Patroller

January 13, 2021January 13, 2021 Master Builder 769 Views

Year Released: 1987BricklinkInstructions

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6861 – Back A

May 4, 2020June 11, 2020 Master Builder 588 Views

From: 6861: X-1 Patrol CraftName: X-1 Rocket HeavyInstructions: View PDF | Download .io File

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6861 – Back B

May 4, 2020May 4, 2020 Master Builder 442 Views

From: 6861: X-1 Patrol CraftName: TBDSubmitted by: USERInstructions

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6861 – Back C

May 4, 2020May 4, 2020 Master Builder 455 Views

From: 6861: X-1 Patrol CraftName: TBDSubmitted by: USERInstructions

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6861 – Back D

May 4, 2020May 4, 2020 Master Builder 447 Views

From: 6861: X-1 Patrol CraftName: TBDSubmitted by: USERInstructions

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6861: X-1 Patrol Craft

May 4, 2020May 4, 2020 Master Builder 748 Views

Year Released: 1980InstructionsBricklink

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6870 – Back A

January 12, 2021January 12, 2021 Master Builder 589 Views

From: 6870: Space Probe LauncherName: TBDSubmitted by: USERInstructions

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Alternate Builds Classic Space Classic Space Alternate Builds Small Builds Space 

6870 – Back B

January 12, 2021January 12, 2021 Master Builder 584 Views

From: 6870: Space Probe LauncherName: TBDSubmitted by: USERInstructions

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Alternate Builds Classic Space Classic Space Alternate Builds Small Builds Space 

6870 – Back C

January 12, 2021January 12, 2021 Master Builder 589 Views

From: 6870: Space Probe LauncherName: TBDSubmitted by: USERInstructions

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6870: Space Probe Launcher

January 12, 2021January 12, 2021 Master Builder 979 Views

Year Released: 1981BricklinkInstructions

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6871 – Back A

September 27, 2019October 6, 2019 Master Builder 634 Views

From: 6871: Star Patrol LauncherName: Armed Two-person Crawler and JetSubmitted by: plastic.atiInstructions: PDF (Photo Sequence)

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6871 – Back B

September 27, 2019October 1, 2019 Master Builder 701 Views

From: 6871: Star Patrol LauncherName: Rainbow-class Multi-launcherSubmitted by: plastic.atiInstructions: PDF (Photo Sequence)

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6871 – Back C

September 27, 2019September 27, 2019 Master Builder 438 Views

From: 6871: Star Patrol LauncherName: TBDSubmitted by: UserInstructions

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6871 – Back D

September 27, 2019October 1, 2019 Master Builder 604 Views

From: 6871: Star Patrol LauncherName: Turbo Jet with Speed-crawlerSubmitted by: plastic.atiInstructions: PDF (Photo Sequence)

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6871: Star Patrol Launcher

September 27, 2019September 30, 2019 Master Builder 927 Views

Year Released: 1984Bricklink

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6872 – Back A

October 19, 2019October 19, 2019 Master Builder 639 Views

From: 6872: Xenon X-CraftName: TBDSubmitted by: matt_0937Instructions: View PDF |  Download .io File

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6872 – Back B

October 19, 2019October 19, 2019 Master Builder 780 Views

From: 6872: Xenon X-CraftName: TBDSubmitted by: matt_0937Instructions: View PDF |  Download .io File

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6872 – Back C

October 19, 2019October 19, 2019 Master Builder 647 Views

From: 6872: Xenon X-CraftName: TBDSubmitted by: matt_0937Instructions: View PDF |  Download .io File

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Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Builds 

6872 – Back D

October 19, 2019October 19, 2019 Master Builder 710 Views

From: 6872: Xenon X-CraftName: TBDSubmitted by: matt_0937Instructions: View PDF |  Download .io File

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6872: Xenon X-Craft

October 19, 2019October 19, 2019 Master Builder 960 Views

Year Released: 1985Bricklink

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6880 – Back A

May 4, 2020May 4, 2020 Master Builder 492 Views

From: 6880: Surface ExplorerName: TBDSubmitted by: USERInstructions

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6880 – Back B

May 4, 2020May 4, 2020 Master Builder 473 Views

From: 6880: Surface ExplorerName: TBDSubmitted by: USERInstructions

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Alternate Builds Classic Space Classic Space Alternate Builds Small Builds Space 

6880 – Back C

May 4, 2020May 4, 2020 Master Builder 450 Views

From: 6880: Surface ExplorerName: TBDSubmitted by: USERInstructions

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6880: Surface Explorer

May 4, 2020May 4, 2020 Master Builder 815 Views

Year Released: 1982InstructionsBricklink

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6881 – Back A

October 2, 2019October 7, 2019 Master Builder 489 Views

From: 6881: Lunar Rocket LauncherName: Rocket Launcher RoverSubmitted by: plastic.atiInstructions: PDF (Photo Sequence)

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Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Builds 

6881 – Back B

October 2, 2019October 7, 2019 Master Builder 683 Views

From: 6881: Lunar Rocket LauncherName: Wide Jet LauncherSubmitted by: plastic.atiInstructions: PDF (Photo Sequence)

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6881 – Back C

October 2, 2019October 7, 2019 Master Builder 500 Views

From: 6881: Lunar Rocket LauncherName: Rocket Fuel & Launch StationSubmitted by: plastic.atiInstructions: PDF (Photo Sequence)

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6881 – Back D

October 2, 2019October 7, 2019 Master Builder 693 Views

From: 6881: Lunar Rocket LauncherName: Jet CarrierSubmitted by: plastic.atiInstructions: PDF (Photo Sequence)

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6881: Lunar Rocket Launcher

October 2, 2019October 2, 2019 Master Builder 766 Views

Year Released: 1984Bricklink

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6882 – Back A

September 30, 2019October 1, 2019 Master Builder 521 Views

From: 6882: Walking Astro GrapplerName: Small Walking Moon GapplerSubmitted by: plastic.atiInstructions: PDF (Photo Sequence)

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6882 – Back B

September 30, 2019September 30, 2019 Master Builder 549 Views

From: 6882: Walking Astro GrapplerName: TBDSubmitted by: USERInstructions

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6882 – Back C

September 30, 2019September 30, 2019 Master Builder 656 Views

From: 6882: Walking Astro GrapplerName: Transport SpeederSubmitted by: plastic.atiInstructions: PDF (Photo Sequence)

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6882: Walking Astro Grappler

September 30, 2019September 30, 2019 Master Builder 912 Views

Year Released: 1985Bricklink

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6883 – Back A

October 22, 2019October 22, 2019 Master Builder 441 Views

From: 6883: Terrestrial RoverName: TBDSubmitted by: TBDInstructions

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6883 – Back B

October 22, 2019April 17, 2021 Master Builder 434 Views

From: 6883: Terrestrial RoverName: TBDSubmitted by: USERInstructions

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6883 – Back C

October 22, 2019April 17, 2021 Master Builder 434 Views

From: 6883: Terrestrial RoverName: TBDSubmitted by: USERInstructions

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6883 – Back D

October 22, 2019April 17, 2021 Master Builder 429 Views

From: 6883: Terrestrial RoverName: TBDSubmitted by: TBDInstructions

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6883: Terrestrial Rover

October 22, 2019April 17, 2021 Master Builder 1038 Views

Year Released: 1987InstructionsBricklink

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6890 – Back A

October 7, 2019November 19, 2020 Master Builder 717 Views

From: 6890: Cosmic CruiserName: Cosmic Hyperjet Instructions: PDF (Photo Sequence)

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6890 – Back B

October 7, 2019October 7, 2019 Master Builder 657 Views

From: 6890: Cosmic CruiserName: Cosmic LandspeederSubmitted by: plastic.atiInstructions: PDF (Photo Sequence)

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6890 – Back C

October 7, 2019October 7, 2019 Master Builder 625 Views

From: 6890: Cosmic CruiserName: Cosmic InterceptorSubmitted by: plastic.atiInstructions: PDF (Photo Sequence)

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6890: Cosmic Cruiser

October 7, 2019October 7, 2019 Master Builder 1240 Views

Year Released: 1982Bricklink

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6891 – Back A

September 13, 2019September 28, 2019 Master Builder 544 Views

From: 6891: Gamma-V Laser CraftName: TBDSubmitted by: USERInstructions

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6891 – Back B

September 13, 2019September 28, 2019 Master Builder 576 Views

From: 6891: Gamma-V Laser CraftName: TBDSubmitted by: USERInstructions

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6891 – Back C

September 13, 2019September 28, 2019 Master Builder 547 Views

From: 6891: Gamma-V Laser CraftName: TBDSubmitted by: USERInstructions

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6891: Gamma-V Laser Craft

September 13, 2019September 28, 2019 Master Builder 1123 Views

Year Released: 1985Bricklink

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6901 – Back A

September 11, 2020September 11, 2020 Master Builder 499 Views

From: 6901: Mobile LabName: TBDSubmitted by: USERInstructions

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Alternate Builds Classic Space Classic Space Alternate Builds Space Very Small Builds 

6901 – Back B

September 11, 2020September 11, 2020 Master Builder 516 Views

From: 6901: Mobile LabName: TBDSubmitted by: USERInstructions

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6901 – Back C

September 11, 2020September 11, 2020 Master Builder 490 Views

From: 6901: Mobile LabName: TBDSubmitted by: USERInstructions

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6901 – Back D

September 11, 2020September 11, 2020 Master Builder 437 Views

From: 6901: Mobile LabName: TBDSubmitted by: USERInstructions

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6901 – Back E

September 11, 2020September 11, 2020 Master Builder 520 Views

From: 6901: Mobile LabName: TBDSubmitted by: USERInstructions

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6901: Mobile Lab

September 11, 2020September 11, 2020 Master Builder 792 Views

Year Released: 1987InstructionsBricklink

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6927 – Back A

October 22, 2019October 22, 2019 Master Builder 584 Views

From: 6927: All Terrain VehicleName: TBDSubmitted by: TBDInstructions

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6927 – Back B

October 22, 2019October 22, 2019 Master Builder 542 Views

From: 6927: All Terrain VehicleName: TBDSubmitted by: TBDInstructions

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6927 – Back C

October 22, 2019October 22, 2019 Master Builder 519 Views

From: 6927: All Terrain VehicleName: TBDSubmitted by: TBDInstructions

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6927: All Terrain Vehicle

October 22, 2019October 22, 2019 Master Builder 775 Views

Year Released: 1981Bricklink

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6928 – Back A

January 12, 2021January 12, 2021 Master Builder 554 Views

From: 6928: Uranium Search VehicleName: TBDSubmitted by: USERInstructions

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6928 – Back B

January 12, 2021January 12, 2021 Master Builder 573 Views

From: 6928: Uranium Search VehicleName: TBDSubmitted by: USERInstructions

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Alternate Builds Classic Space Classic Space Alternate Builds Medium Builds Space 

6928 – Back C

January 12, 2021January 12, 2021 Master Builder 568 Views

From: 6928: Uranium Search VehicleName: TBDSubmitted by: USERInstructions

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6928 – Back D

January 12, 2021January 12, 2021 Master Builder 572 Views

From: 6928: Uranium Search VehicleName: TBDSubmitted by: USERInstructions

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6928: Uranium Search Vehicle

January 12, 2021January 12, 2021 Master Builder 789 Views

Year Released: 1984BricklinkInstructions

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6929 – Back A

September 22, 2019September 28, 2019 Master Builder 428 Views

From: 6929: Starfleet VoyagerName: TBDSubmitted by: UserInstructions

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6929 – Back B

September 22, 2019September 28, 2019 Master Builder 531 Views

From: 6929: Starfleet VoyagerName: TBDSubmitted by: UserInstructions

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6929 – Back C

September 22, 2019September 28, 2019 Master Builder 567 Views

From: 6929: Starfleet VoyagerName: TBDSubmitted by: UserInstructions

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6929 – Back D

September 22, 2019September 28, 2019 Master Builder 476 Views

From: 6929: Starfleet VoyagerName: TBDSubmitted by: UserInstructions

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6929: Starfleet Voyager

September 22, 2019September 28, 2019 Master Builder 1341 Views

Year Released: 1981Bricklink

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6930 – Back A

November 18, 2020November 18, 2020 Master Builder 462 Views

From: 6930: Space Supply StationName: TBDSubmitted by: USER

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6930 – Back B

November 18, 2020November 18, 2020 Master Builder 466 Views

From: 6930: Space Supply StationName: TBDSubmitted by: USER

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6930 – Back C

November 18, 2020November 18, 2020 Master Builder 468 Views

From: 6930: Space Supply StationName: TBDSubmitted by: USER

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6930 – Back D

November 18, 2020November 18, 2020 Master Builder 474 Views

From: 6930: Space Supply StationName: TBDSubmitted by: USER

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6930 – Inside A

November 18, 2020November 18, 2020 Master Builder 472 Views

From: 6930: Space Supply StationName: TBDSubmitted by: USER

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6930 – Inside B

November 18, 2020November 18, 2020 Master Builder 459 Views

From: 6930: Space Supply StationName: TBDSubmitted by: USER

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6930: Space Supply Station

September 13, 2019November 18, 2020 Master Builder 1389 Views

Year Released: 1983BricklinkInstructions

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6931 – Back A

January 12, 2021January 27, 2021 Master Builder 528 Views

From: 6931: FX-Star PatrollerName: FX-Star Station Instructions: View PDF | Download .io File

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6931 – Back B

January 12, 2021January 27, 2021 Master Builder 510 Views

From: 6931: FX-Star PatrollerName: FX-Star Cruiser Instructions: View PDF | Download .io File

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6931 – Back C

January 12, 2021January 27, 2021 Master Builder 549 Views

From: 6931: FX-Star PatrollerName: FX-Star and Surface Scout Instructions: View PDF | Download .io File

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6931 – Inside A

January 12, 2021January 28, 2021 Master Builder 491 Views

From: 6931: FX-Star PatrollerName: TBDSubmitted by: USERInstructions:

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6931 – Inside B

January 12, 2021January 12, 2021 Master Builder 504 Views

From: 6931: FX-Star PatrollerName: TBDSubmitted by: USERInstructions:

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6931: FX-Star Patroller

January 12, 2021January 12, 2021 Master Builder 1339 Views

Year Released: 1985BricklinkInstructions

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6940 – Back A

September 16, 2019September 28, 2019 Master Builder 837 Views

From: 6940: Alien Moon WalkerName: TBDSubmitted by: USERInstructions

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6940 – Back B

September 16, 2019September 28, 2019 Master Builder 529 Views

From: 6940: Alien Moon WalkerName: TBDSubmitted by: USERInstructions

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6940 – Back C

September 16, 2019September 28, 2019 Master Builder 618 Views

From: 6940: Alien Moon WalkerName: TBDSubmitted by: USERInstructions

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6940 – Inside A

September 16, 2019September 28, 2019 Master Builder 496 Views

From: 6940: Alien Moon WalkerName: TBDSubmitted by: USERInstructions

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6940 – Inside B

September 16, 2019September 28, 2019 Master Builder 584 Views

From: 6940: Alien Moon WalkerName: TBDSubmitted by: USERInstructions

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6940: Alien Moon Stalker

September 12, 2019September 28, 2019 Master Builder 1722 Views

Year Released: 1986Bricklink

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6950 – Back A

January 12, 2021January 12, 2021 Master Builder 569 Views

From: 6950: Mobile Rocket TransportName: TBDSubmitted by: USERInstructions

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6950 – Back B

January 12, 2021January 12, 2021 Master Builder 563 Views

From: 6950: Mobile Rocket TransportName: TBDSubmitted by: USERInstructions

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6950 – Back C

January 12, 2021January 12, 2021 Master Builder 569 Views

From: 6950: Mobile Rocket TransportName: TBDSubmitted by: USERInstructions

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6950 – Back D

January 12, 2021January 12, 2021 Master Builder 570 Views

From: 6950: Mobile Rocket TransportName: TBDSubmitted by: USERInstructions

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6950 – Inside A

January 12, 2021January 12, 2021 Master Builder 572 Views

From: 6950: Mobile Rocket TransportName: TBDSubmitted by: USERInstructions

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April 19, 2021April 19, 2021 Master Builder
1843: Bottom
Castle Castle Alternate Builds Instructions Added Official Sets Royal Knights Small Builds Space Spyrius Spyrius Sets Value Packs 

1843: Bottom

January 22, 2021January 29, 2021 Master Builder
1843: Side L
Castle Castle Alternate Builds Instructions Added Official Sets Royal Knights Small Builds Space Spyrius Spyrius Sets Value Packs 

1843: Side L

January 22, 2021January 29, 2021 Master Builder
1843: Side R
Castle Castle Alternate Builds Instructions Added Official Sets Royal Knights Small Builds Space Spyrius Spyrius Sets Value Packs 

1843: Side R

January 22, 2021January 29, 2021 Master Builder
1843: Space / Castle Value Pack
Castle Castle Sets Official Sets Royal Knights Small Builds Space Spyrius Spyrius Sets Value Packs 

1843: Space / Castle Value Pack

January 21, 2021January 22, 2021 Master Builder

MINIFIGS

About This Site

Logo
In the 1960s, 70s, 80s, 90s, and early 2000s there were pictures of additional builds on the back of LEGO® boxes. There was a note that said you could build any of those exciting models with that set. There were no instructions, until now.

Themes

  • Adventurers
  • Aquazone
  • Belville
  • Building Set with People
  • Castle
  • Harry Potter
  • Holiday and Event
  • Model Team
  • Pirates
  • Space
  • Star Wars
  • Rock Raiders
  • Technic
  • Town
  • Western

Useful Links

  • Contribute!
  • About
  • Alternate Builds
  • Instructions Added
  • Minifigs
  • Very Small Builds (<35 pcs)
  • Small Builds (<100 pcs)
  • Medium Builds (<200 pcs)
  • Large Builds (<400 pcs)
  • Extra Large Builds (>400 pcs)

In Honor of 1526

The classic space set that never was.

Copyright © 2021 Back of the Box Builds. All rights reserved. LEGO® is a trademark of the LEGO Group of companies which does not sponsor, authorize, or endorse this site.