Skip to content
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
ABCs Blacktron Blacktron Alternate Builds Blacktron II Blacktron II Alternate Builds Concepts and Prototypes Space 

Blacktron Concept

February 23, 2023February 11, 2025 Master Builder 7218 Views

Misc
Theme: Blacktron

BrickJournal: Issue 6 Volume 2 – Page 39
TwoMorrows Publishing
Photo Credit: Niels Milan Pedersen’s personal LEGO archives

Build 1: TBD
Submitted By: USER
Instructions:
*Alternate Build Connection: 2154: Robo Master

Build 2: TBD
Submitted By: USER
Instructions:
*Alternate Build Connection: 2152: Robo Raptor

Build 3: TBD
Submitted By: USER
Instructions:

Build 4: TBD
Submitted By: USER
Instructions:

Build 5: TBD
Submitted By: USER
Instructions:

Build 6: TBD
Submitted By: USER
Instructions:

  • ← BrickJournal Issue 6 Volume 2
  • Space Police II Concept →

You May Also Like

6898 – Back B

June 8, 2020March 14, 2025 Master Builder

6062 – Back C

October 11, 2021August 22, 2023 Master Builder

6957 – Back D

July 11, 2022July 13, 2022 Master Builder

6878: Sub Orbital Guardian

October 4, 2019August 14, 2023 Master Builder

6820 – Back A

June 22, 2025June 24, 2025 Master Builder

Space Technic Concept

January 1, 2024February 11, 2025 Master Builder

EXPLORE MORE OFFICIAL SETS

5938: Oasis Ambush (The Anubis Chamber)
Adventurers Adventurers Sets Desert Official Sets Small Builds 

5938: Oasis Ambush (The Anubis Chamber)

October 26, 2026October 26, 2026 Master Builder

Year Released: 1998BricklinkInstructions

6115: Shark Scout
Aquashark Aquazone Aquazone Sets Official Sets Very Small Builds 

6115: Shark Scout

April 9, 2020March 21, 2023 Master Builder
6097: Night Lord’s Castle
Box Story Castle Castle Sets Extra Large Builds Fright Knights Official Sets 

6097: Night Lord’s Castle

March 1, 2023March 17, 2025 Master Builder
6195: Neptune Discovery Lab (Aqua Dome 7)
ABCs Aquanauts Aquazone Aquazone Sets Extra Large Builds Jørn Thomsen Official Sets 

6195: Neptune Discovery Lab (Aqua Dome 7)

January 20, 2022February 11, 2025 Master Builder
1954 (1714, Kabaya: Space 1): Surveillance Scooter
Jørn Thomsen Official Sets Space Spyrius Spyrius Sets Very Small Builds 

1954 (1714, Kabaya: Space 1): Surveillance Scooter

January 26, 2022February 25, 2025 Master Builder
5510: Off Road 4×4
Large Builds Model Team Model Team Sets Official Sets 

5510: Off Road 4×4

February 10, 2026February 10, 2026 Master Builder
7314: Recon-Mech RP
Life on Mars Life on Mars Sets Medium Builds Official Sets Space 

7314: Recon-Mech RP

July 14, 2021July 14, 2021 Master Builder
7133: Bounty Hunter Pursuit
Episode II Large Builds Official Sets Star Wars Star Wars Sets 

7133: Bounty Hunter Pursuit

July 14, 2021July 14, 2021 Master Builder
2162: Hydro Reef Wrecker
Aquaraiders I Aquazone Aquazone Sets Large Builds Official Sets 

2162: Hydro Reef Wrecker

July 18, 2022July 18, 2022 Master Builder
6551: Checkered Flag 500
Medium Builds Official Sets Town Town Sets 

6551: Checkered Flag 500

November 21, 2023November 21, 2023 Master Builder
6633: Family Car
Classic Town Official Sets Small Builds Town Town Sets Traffic 

6633: Family Car

April 19, 2021April 19, 2021 Master Builder
2963: Extreme Racer
Extreme Team Official Sets Small Builds Town Town Sets 

2963: Extreme Racer

January 30, 2024January 30, 2024 Master Builder
6594: Gas Transit
Classic Town Gas Station Medium Builds Official Sets Town Town Sets Wrecker 

6594: Gas Transit

November 19, 2020July 8, 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
6175: Crystal Explorer Sub
ABCs Aquanauts Aquazone Aquazone Sets Medium Builds Official Sets 

6175: Crystal Explorer Sub

January 20, 2022March 22, 2025 Master Builder
897: Mobile Missile Command
Classic Space Classic Space Sets Jens Nygaard Knudsen Official Sets Small Builds 

897: Mobile Missile Command

September 14, 2019July 31, 2023 Master Builder

BOXES

INSTRUCTIONS

FAVORITES

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.

Copyright © 2026 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.