Skip to content
Back of the Box Builds

Back of the Box Builds

LEGO Alternate Builds!

  • THEMES
    • Adventurers
    • Aquazone
    • Belville
    • Building Set with People
    • Castle
    • Duplo
    • Harry Potter
    • Holiday and Event
    • Model Team
    • Ninja
    • Pirates
    • Rock Raiders
    • Space
    • Star Wars
    • Studios
    • Technic
    • Time Cruisers
    • Town
    • Train
    • Western
    • Misc
  • USEFUL LINKS
    • Contribute!
    • New Instructions
    • New Official Sets
    • New Alternate Builds
    • Minifigs
    • Very Small Builds
    • Small Builds
    • Medium Builds
    • Large Builds
    • Extra Large Builds
    • About
  • THIS IS AN INDEPENDENT SITE NOT AUTHORIZED OR SPONSORED BY THE LEGO GROUP
Alternate Builds Instructions Added Space Space Police I Space Police I Alternate Builds Very Small Alt Build Very Small Builds 

6831 – Back A

May 3, 2020November 18, 2021 Master Builder 1133 Views

From: 6831: Message Decoder
Name: Message Runner 1
Instructions: View PDF | Download .io File

Contributions

  1. PDF and .io file submitted on November 17, 2021 by: Krysto
  • ← 6831: Message Decoder
  • 6831 – Back B →

You May Also Like

6750 – Back B

September 22, 2019September 28, 2019 Master Builder

6765 – Back D

November 10, 2019November 10, 2019 Master Builder

6668 – Back C

November 18, 2020November 18, 2020 Master Builder

6985 – Inside A

September 28, 2019November 18, 2021 Master Builder

6080 – Back B

October 5, 2019October 5, 2019 Master Builder

6515: Stunt Copter

February 2, 2022February 2, 2022 Master Builder

EXPLORE MORE OFFICIAL SETS

6950: Mobile Rocket Transport
Classic Space Classic Space Sets Medium Builds Official Sets Space 

6950: Mobile Rocket Transport

January 12, 2021January 12, 2021 Master Builder

Year Released: 1982BricklinkInstructions

6939: Saucer Centurion
Medium Builds Official Sets Spyrius Spyrius Sets 

6939: Saucer Centurion

November 9, 2019June 30, 2022 Master Builder
7190: Millennium Falcon
Extra Large Builds Official Sets Star Wars Star Wars Sets 

7190: Millennium Falcon

November 14, 2019November 14, 2019 Master Builder
6557: Treasure Hunters
Divers Medium Builds Official Sets Town Town Sets 

6557: Treasure Hunters

December 29, 2021June 28, 2022 Master Builder
1787: Crater Cruiser
Medium Builds Official Sets Space Unitron Unitron Sets 

1787: Crater Cruiser

April 9, 2020July 18, 2020 Master Builder
6088: Robber’s Retreat
Large Builds Ninja Ninja Alternate Builds Ninja Official Sets Official Sets 

6088: Robber’s Retreat

January 24, 2022January 24, 2022 Master Builder
6687: Turbo Prop I
Airport Classic Town Official Sets Small Builds Town Town Sets 

6687: Turbo Prop I

December 27, 2021December 27, 2021 Master Builder
6982: Explorien Starship
Exploriens Exploriens Sets Extra Large Builds Official Sets 

6982: Explorien Starship

November 9, 2019November 9, 2019 Master Builder
379: Bus Station
Classic Town Medium Builds Official Sets Town Town Sets Traffic 

379: Bus Station

April 10, 2021April 10, 2021 Master Builder
6257: Castaway’s Raft
Official Sets Pirates Pirates I Pirates Sets Small Builds 

6257: Castaway’s Raft

June 6, 2022June 6, 2022 Master Builder
6546: Slick Racer
Official Sets Town Town Sets Very Small Builds 

6546: Slick Racer

May 23, 2022May 23, 2022 Master Builder
6483: Coastal Patrol
Classic Town Large Builds Official Sets Police Town Town Sets 

6483: Coastal Patrol

December 29, 2021December 29, 2021 Master Builder
6986: Mission Commander
Extra Large Builds Official Sets Space Space Police I Space Police I Sets 

6986: Mission Commander

April 3, 2022April 3, 2022 Master Builder
6533: Police 4×4
Classic Town Official Sets Police Small Builds Town Town Sets 

6533: Police 4×4

January 6, 2022January 6, 2022 Master Builder
6954: Renegade
Blacktron Blacktron Sets Large Builds Official Sets Space 

6954: Renegade

September 7, 2020November 27, 2020 Master Builder
7141: Naboo Fighter
Episode I Medium Builds Official Sets Star Wars Star Wars Sets 

7141: Naboo Fighter

December 29, 2021December 29, 2021 Master Builder

BUILD!

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. On the box was, "Build any of these exciting models with this set." There were no instructions for these alternate builds, until now.

Themes

  • Adventurers
  • Aquazone
  • Belville
  • Building Set with People
  • Castle
  • Duplo
  • Harry Potter
  • Holiday and Event
  • Model Team
  • Ninja
  • Pirates
  • Rock Raiders
  • Space
  • Star Wars
  • Studio
  • Technic
  • Time Cruisers
  • Town
  • Train
  • Western
  • Misc

Useful Links

  • Contribute!
  • 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)
  • About

In Honor of 1526

The classic space set that never was.

Copyright © 2022 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.