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Back of the Box Builds

Back of the Box Builds

LEGO Alternate Builds!

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

Blacktron Sets

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 7070 Views

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

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

1875: Meteor Monitor

July 14, 2021January 22, 2026 Master Builder 6193 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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ABCs Bjarne Tveskov Blacktron Blacktron Sets Large Builds Official Sets Space 

6954: Renegade

September 7, 2020October 16, 2024 Master Builder 9520 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 7852 Views

Year Released: 1987Bricklink

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ABCs Bjarne Tveskov Blacktron Blacktron Sets Official Sets Small Builds Space 

6876: Alienator

November 16, 2019October 16, 2024 Master Builder 8643 Views

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

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Blacktron Blacktron Sets Box Marketing Blurb Large Builds Official Sets 

6941: Battrax

September 13, 2019March 28, 2026 Master Builder 8621 Views

Year Released: 1987BricklinkInstructions The box reads, “Creativity and Quality Craftsmanship are the key ingredients in this and all LEGO® brand building sets.

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

6987: Message Intercept Base

September 12, 2019March 2, 2026 Master Builder 11881 Views

Year Released: 1988Designer: Daniel August KrentzBricklinkInstructions

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EXPLORE MORE OFFICIAL SETS

UFO Value Pack (VP-5)
Bonus/Value Pack Sets Bonus/Value Packs Exploriens Exploriens Sets Official Sets Small Builds Space UFO UFO Sets 

UFO Value Pack (VP-5)

December 10, 2025March 14, 2026 Master Builder

Year Released: 1997BricklinkContains Sets: 6829: Radon Rover, 6836: V-Wing Fighter, and 1858: Droid Scout

6416: Poolside Paradise
Medium Builds Official Sets Paradisa Town Town Sets 

6416: Poolside Paradise

June 28, 2022June 28, 2022 Master Builder
6764: Sheriff’s Lock-Up
Medium Builds Official Sets Western Western Sets 

6764: Sheriff’s Lock-Up

September 1, 2024September 1, 2024 Master Builder
6348: Surveillance Squad
Classic Town Large Builds Official Sets Police Town Town Sets 

6348: Surveillance Squad

June 23, 2026June 23, 2026 Master Builder
1509: Town Value Pack
Bonus/Value Pack Sets Bonus/Value Packs Official Sets Race Small Builds Town 

1509: Town Value Pack

October 8, 2024October 8, 2024 Master Builder
6512: Landscape Loader
Classic Town Construction Official Sets Town Town Sets Very Small Builds 

6512: Landscape Loader

May 10, 2022May 10, 2022 Master Builder
6699: Cycle Fix-It Shop
Classic Town Official Sets Small Builds Town Town Sets Traffic 

6699: Cycle Fix-It Shop

October 28, 2025October 28, 2025 Master Builder
8024: Universal Set
Medium Builds Official Sets Technic Technic Sets 

8024: Universal Set

October 20, 2019August 28, 2023 Master Builder
5540: Formula I Racer
Large Builds Model Team Model Team Sets Official Sets 

5540: Formula I Racer

February 10, 2026March 4, 2026 Master Builder
4709: Hogwarts Castle
Extra Large Builds Harry Potter Harry Potter Sets Official Sets Sorcerer's Stone 

4709: Hogwarts Castle

April 16, 2021July 13, 2021 Master Builder
4554: Metro Station
9V Extra Large Builds Official Sets Town Train Train Sets 

4554: Metro Station

August 10, 2026August 10, 2026 Master Builder
6039: Twin Arm Launcher
Castle Castle Sets Lion Knights Official Sets Small Builds 

6039: Twin Arm Launcher

April 10, 2021April 10, 2021 Master Builder
6510: Mud Runner
Official Sets Race Town Town Sets Very Small Builds 

6510: Mud Runner

May 8, 2022May 8, 2022 Master Builder
8957: Mine Mech
Official Sets Power Miners Power Miners Sets Small Builds 

8957: Mine Mech

March 27, 2026March 27, 2026 Master Builder
6709: Tribal Chief
Indians Official Sets Very Small Builds Western Western Sets 

6709: Tribal Chief

October 10, 2023October 10, 2023 Master Builder
6067: Guarded Inn
Castle Castle Sets Daniel August Krentz Large Builds Lion Knights Official Sets 

6067: Guarded Inn

February 9, 2021July 29, 2023 Master Builder

BOXES

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MINIFIGS

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
  • BATMAN
  • Bionicle
  • Belville
  • Building Set with People
  • Castle
  • Duplo
  • Fabuland
  • Harry Potter
  • Holiday and Event
  • LEGOLAND
  • Model Team
  • Pirates
  • Space
  • Star Wars
  • Technic
  • Train
  • 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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