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Back of the Box Builds

Back of the Box Builds

LEGO Set 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

Unitron Sets

Official Sets Small Builds Space Spyrius Spyrius Sets Unitron Unitron Sets 

1785: Introducing Crater Critters

December 28, 2021December 28, 2021 Master Builder 1937 Views

Year Released: 1995BricklinkInstructions

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Large Builds Official Sets Space Unitron Unitron Sets 

1793: Space Station Zenon

April 19, 2021April 19, 2021 Master Builder 2169 Views

Year Released: 1995Bricklink

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Medium Builds Official Sets Space Unitron Unitron Sets 

1789: Star Hawk II

July 18, 2020July 18, 2020 Master Builder 2475 Views

Year Released: 1995InstructionsBricklink

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Medium Builds Official Sets Space Unitron Unitron Sets 

1787: Crater Cruiser

April 9, 2020July 18, 2020 Master Builder 2121 Views

Year Released: 1995InstructionsBricklink

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Extra Large Builds Official Sets Unitron Unitron Sets 

6991: Monorail Transport Base

September 28, 2019September 28, 2019 Master Builder 3089 Views

Year Released: 1994Bricklink

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EXPLORE MORE OFFICIAL SETS

6975: Alien Avenger
Large Builds Official Sets UFO UFO Sets 

6975: Alien Avenger

November 9, 2019November 9, 2019 Master Builder

Year Released: 1997Bricklink

6954: Renegade
Blacktron Blacktron Sets Large Builds Official Sets Space 

6954: Renegade

September 7, 2020November 27, 2020 Master Builder
5986: Amazon Ancient Ruins
Adventurers Adventurers Sets Extra Large Builds Jungle Official Sets 

5986: Amazon Ancient Ruins

October 29, 2019April 4, 2020 Master Builder
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
6694: Car with Camper
Classic Town Official Sets Small Builds Town Town Sets Traffic 

6694: Car with Camper

May 19, 2022May 19, 2022 Master Builder
1558: Mobile Command Trailer
Classic Space Classic Space Sets Official Sets Small Builds Space 

1558: Mobile Command Trailer

December 18, 2021December 18, 2021 Master Builder
6055: Prisoner Convoy
Castle Castle Sets Forestmen Lion Knights Official Sets Small Builds 

6055: Prisoner Convoy

May 20, 2021May 20, 2021 Master Builder
6880: Surface Explorer
Classic Space Classic Space Sets Official Sets Small Builds Space 

6880: Surface Explorer

May 4, 2020May 4, 2020 Master Builder
6510: Mud Runner
Official Sets Race Town Town Sets Very Small Builds 

6510: Mud Runner

May 8, 2022May 8, 2022 Master Builder
7140: X-wing Fighter
Large Builds Official Sets Star Wars Star Wars Sets 

7140: X-wing Fighter

November 10, 2019April 17, 2020 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
6826: Crater Crawler
Classic Space Classic Space Sets Official Sets Very Small Builds 

6826: Crater Crawler

September 26, 2019October 22, 2019 Master Builder
4582: Red Bullet
Official Sets Very Small Builds 

4582: Red Bullet

October 23, 2021October 23, 2021 Master Builder
6022: Horse Cart
Castle Castle Sets Lion Knights Official Sets Very Small Builds 

6022: Horse Cart

October 19, 2019April 4, 2020 Master Builder
6598: Metro PD Station
Classic Town Extra Large Builds Official Sets Police Town Town Sets 

6598: Metro PD Station

January 6, 2022January 6, 2022 Master Builder
5810: Vanity Fun
Belville Belville Sets Lion Knights Official Sets Playhouse Very Small Builds 

5810: Vanity Fun

April 10, 2021April 10, 2021 Master Builder

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. There was a note that said you could build any of those exciting models with that set. There were no instructions, 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.

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