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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
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  • USEFUL LINKS
    • Submit Instructions!
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  • 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 7598 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 6704 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 10083 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 8417 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 9204 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 9086 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 12603 Views

Year Released: 1988Designer: Daniel August KrentzBricklinkInstructions

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EXPLORE MORE OFFICIAL SETS

7711: Sentry
Exo-Force Official Sets Small Builds 

7711: Sentry

August 11, 2023August 11, 2023 Master Builder

Year Released: 2006BricklinkInstructions

6209: Slave I (2nd edition)
Episode IV/V/VI Extra Large Builds Official Sets Star Wars Star Wars Sets 

6209: Slave I (2nd edition)

February 1, 2024February 1, 2024 Master Builder
6823: Surface Transport
Classic Space Classic Space Sets Official Sets Very Small Builds 

6823: Surface Transport

September 30, 2019September 30, 2019 Master Builder
1555: Santa Claus Polybag
Holiday and Event Holiday and Event Sets Official Sets Very Small Builds 

1555: Santa Claus Polybag

April 28, 2023May 5, 2026 Master Builder
4751: Harry and the Marauder’s Map
Harry Potter Harry Potter Sets Official Sets Prisoner of Azkaban Small Builds 

4751: Harry and the Marauder’s Map

May 16, 2023May 16, 2023 Master Builder
6799: Showdown Canyon
Box Plus Cowboys Official Sets Playscape/Play Stage Box Small Builds Western Western Sets 

6799: Showdown Canyon

August 1, 2023October 8, 2024 Master Builder
6952: Solar Power Transporter
ABCs Classic Space Classic Space Sets Large Builds Official Sets 

6952: Solar Power Transporter

September 22, 2019March 20, 2025 Master Builder
6043: Dragon Defender
Castle Castle Sets Dragon Knights Medium Builds Official Sets 

6043: Dragon Defender

November 20, 2023November 20, 2023 Master Builder
7161: Gungan Sub
Large Builds Official Sets Star Wars Star Wars Sets 

7161: Gungan Sub

April 21, 2026April 21, 2026 Master Builder
6506: Precinct Cruiser
Classic Town Official Sets Police Town Town Sets Very Small Builds 

6506: Precinct Cruiser

July 12, 2021July 12, 2021 Master Builder
6505: Fire Chief’s Car
Classic Town Fire Official Sets Town Town Sets Very Small Builds 

6505: Fire Chief’s Car

July 8, 2022July 8, 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
6755: Sheriff’s Lock-Up
Cowboys Medium Builds Official Sets Western Western Sets 

6755: Sheriff’s Lock-Up

July 3, 2024February 18, 2025 Master Builder
6246: Crocodile Cage
Islanders Official Sets Pirates Pirates I Pirates Sets Small Builds 

6246: Crocodile Cage

January 26, 2022January 26, 2022 Master Builder
6805: Astro Dasher
Classic Space Classic Space Sets Official Sets Space Very Small Builds 

6805: Astro Dasher

December 10, 2025December 10, 2025 Master Builder
6423: Tow-away Truck
Official Sets Town Town Jr Town Sets Very Small Builds Wrecker 

6423: Tow-away Truck

July 10, 2026July 10, 2026 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
  • 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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