Skip to content
Back of the Box Builds

Back of the Box Builds

LEGO Alternate Builds!

  • SETS
    • Adventurers
    • Aquazone
    • Belville
    • Building Set with People
    • Castle
    • Duplo
    • Fabuland
    • Harry Potter
    • Holiday and Event
    • LEGOLAND
    • Model Team
    • Pirates
    • Space
    • Star Wars
    • Technic
    • 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

Life on Mars Alternate Builds

Alternate Builds Life on Mars Life on Mars Alternate Builds Space Very Small Builds 

1415 – Back A

February 25, 2025February 25, 2025 Master Builder 1758 Views

From: 7303 (1415, Kabaya: Life On Mars 3): Jet ScooterName: TBDSubmitted by: USERInstructions

Read more
Alternate Builds Life on Mars Life on Mars Alternate Builds Space Very Small Builds 

1416 – Back A

February 25, 2025February 25, 2025 Master Builder 1765 Views

From: 7302 (1416, Kabaya: Life On Mars 2): Worker RobotName: TBDSubmitted by: USERInstructions

Read more
Alternate Builds Life on Mars Life on Mars Alternate Builds Space Very Small Builds 

1413 – Back A

February 25, 2025February 25, 2025 Master Builder 1763 Views

From: 7301 (1413, 7309, Kabaya: Life On Mars 4): RoverName: TBDSubmitted by: USERInstructions

Read more
Alternate Builds Life on Mars Life on Mars Alternate Builds Space Very Small Builds 

1414 – Back A

February 25, 2025February 25, 2025 Master Builder 1775 Views

From: 7300 (1414, 7308, Kabaya: Life On Mars 1): Double HoverName: TBDSubmitted by: USERInstructions

Read more
Kabaya Life on Mars Life on Mars Alternate Builds Life on Mars Sets Space Special Very Small Builds 

Kabaya: Life On Mars

January 28, 2025February 28, 2025 Master Builder 4785 Views

Year Released: 2001BricklinkContains Sets:7300 (1414, 7308, Kabaya: Life On Mars 1): Double Hover7302 (1416, Kabaya: Life On Mars 2): Worker

Read more
Alternate Builds Life on Mars Life on Mars Alternate Builds Space Very Small Builds 

1195 – Back A

August 5, 2023August 5, 2023 Master Builder 1690 Views

From: 1195: Alien Encounter PolybagName: TBDSubmitted by: USERInstructions

Read more
Alternate Builds Life on Mars Life on Mars Alternate Builds Space Very Small Builds 

7310 – Back A

April 16, 2021April 16, 2021 Master Builder 1567 Views

From: 7310: Mono JetName: TBDSubmitted by: USERInstructions

Read more

EXPLORE MORE OFFICIAL SETS

4940: Granite Grinder
Official Sets Rock Raiders Rock Raiders Sets Small Builds 

4940: Granite Grinder

April 4, 2020April 4, 2020 Master Builder

Year Released: 1999Bricklink

6473: Res-Q Hovercraft
Large Builds Official Sets Res-Q Town Town Sets 

6473: Res-Q Hovercraft

January 20, 2022January 20, 2022 Master Builder
6265: Sabre Island
Imperial Soldiers Official Sets Pirates Pirates I Pirates Sets Small Builds 

6265: Sabre Island

May 28, 2024May 28, 2024 Master Builder
6712: Sheriff’s Showdown
Cowboys Official Sets Very Small Builds Western Western Sets 

6712: Sheriff’s Showdown

October 10, 2023October 10, 2023 Master Builder
6846: Tri-Star Voyager
Classic Space Classic Space Sets Official Sets Small Builds 

6846: Tri-Star Voyager

September 26, 2019September 28, 2019 Master Builder
6670: Rescue Rig
Classic Town Official Sets Small Builds Town Town Sets Wrecker 

6670: Rescue Rig

November 19, 2020November 19, 2020 Master Builder
5956: Expedition Balloon
Adventurers Adventurers Sets Jungle Medium Builds Official Sets 

5956: Expedition Balloon

August 31, 2024August 31, 2024 Master Builder
3066 (Kabaya: Town Space Port 1): Cosmos Glider
Official Sets Space Port Town Very Small Builds 

3066 (Kabaya: Town Space Port 1): Cosmos Glider

February 28, 2025February 28, 2025 Master Builder
1912: Car (Set A, 1)
Basic Happy Meal McDonalds Official Sets Polybag Universal Building Set Very Small Builds 

1912: Car (Set A, 1)

April 1, 2025April 1, 2025 Master Builder
6235: Buried Treasure
Official Sets Pirates Pirates I Pirates Sets Very Small Builds 

6235: Buried Treasure

May 23, 2022May 23, 2022 Master Builder
1843 – Bottom
Bonus/Value Pack Alternate Builds Castle Castle Alternate Builds Instructions Added Official Sets Royal Knights Small Alt Build Small Builds Space Spyrius Spyrius Alternate Builds 

1843 – Bottom

January 22, 2021March 14, 2025 Master Builder
6800 (6816, Kabaya: Space 2): Cyber Blaster
Official Sets Space UFO UFO Sets Very Small Builds 

6800 (6816, Kabaya: Space 2): Cyber Blaster

October 4, 2024February 25, 2025 Master Builder
6484: F1 Hauler
Classic Town Large Builds Official Sets Race Town Town Sets 

6484: F1 Hauler

March 21, 2023March 21, 2023 Master Builder
1665: Duel FX Racers
Official Sets Small Builds Town Town Sets 

1665: Duel FX Racers

April 30, 2024April 30, 2024 Master Builder
102: Super Value Set
Basic Set Official Sets Samsonite Samsonite Sets 

102: Super Value Set

March 1, 2023March 1, 2023 Master Builder
1906: Majisto’s Tower
Box Plus Castle Castle Sets Dragon Knights Medium Builds Official Sets Playscape/Play Stage Box 

1906: Majisto’s Tower

August 1, 2023October 8, 2024 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
  • Belville
  • Building Set with People
  • Castle
  • Duplo
  • Fabuland
  • Harry Potter
  • Holiday and Event
  • LEGOLAND
  • Model Team
  • Pirates
  • Space
  • Star Wars
  • Technic
  • 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 © 2025 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.