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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
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  • THIS IS AN INDEPENDENT SITE NOT AUTHORIZED OR SPONSORED BY THE LEGO GROUP

Unitron

Alternate Builds Instructions Added Small Alt Build Small Builds Space Spyrius Spyrius Alternate Builds Unitron Unitron Alternate Builds 

1785 – Back C

April 8, 2022May 10, 2022 Master Builder 1479 Views

From: 1785: Introducing Crater CrittersName: Looky Instructions: View PDF | Download .io File

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Alternate Builds Instructions Added Small Alt Build Small Builds Space Spyrius Spyrius Alternate Builds Unitron Unitron Alternate Builds 

1785 – Back B

April 8, 2022May 10, 2022 Master Builder 1493 Views

From: 1785: Introducing Crater CrittersName: Grabby Instructions: View PDF | Download .io File

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Alternate Builds Instructions Added Small Alt Build Small Builds Space Spyrius Spyrius Alternate Builds Unitron Unitron Alternate Builds 

1785 – Back A

April 8, 2022May 10, 2022 Master Builder 1497 Views

From: 1785: Introducing Crater CrittersName: Tasty Instructions: View PDF | Download .io File

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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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Alternate Builds Large Builds Space Unitron Unitron Alternate Builds 

1793 – Back C

April 19, 2021April 19, 2021 Master Builder 1248 Views

From: 1793: Space Station ZenonName: TBDSubmitted by: USERInstructions

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Alternate Builds Large Builds Space Unitron Unitron Alternate Builds 

1793 – Back B

April 19, 2021April 19, 2021 Master Builder 963 Views

From: 1793: Space Station ZenonName: TBDSubmitted by: USERInstructions

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Alternate Builds Large Builds Space Unitron Unitron Alternate Builds 

1793 – Back A

April 19, 2021April 19, 2021 Master Builder 1224 Views

From: 1793: Space Station ZenonName: TBDSubmitted by: USERInstructions

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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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Alternate Builds Medium Builds Space Unitron Unitron Alternate Builds 

1789 – Back C

July 18, 2020July 18, 2020 Master Builder 1247 Views

From: 1789: Star Hawk IIName: TBDSubmitted by: USERInstructions

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Alternate Builds Medium Builds Space Unitron Unitron Alternate Builds 

1789 – Back B

July 18, 2020July 18, 2020 Master Builder 837 Views

From: 1789: Star Hawk IIName: TBDSubmitted by: USERInstructions

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Alternate Builds Medium Builds Space Unitron Unitron Alternate Builds 

1789 – Back A

July 18, 2020July 18, 2020 Master Builder 1393 Views

From: 1789: Star Hawk IIName: TBDSubmitted by: USERInstructions

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Medium Builds Official Sets Space Unitron Unitron Sets 

1789: Star Hawk II

July 18, 2020July 18, 2020 Master Builder 2474 Views

Year Released: 1995InstructionsBricklink

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Alternate Builds Medium Builds Space Unitron Unitron Alternate Builds 

1787 – Back C

April 9, 2020 Master Builder 714 Views

From: 1787: Crater CruiserName: TBDSubmitted by: USERInstructions

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Alternate Builds Medium Builds Space Unitron Unitron Alternate Builds 

1787 – Back B

April 9, 2020April 9, 2020 Master Builder 925 Views

From: 1787: Crater CruiserName: TBDSubmitted by: USERInstructions

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Alternate Builds Medium Builds Space Unitron Unitron Alternate Builds 

1787 – Back A

April 9, 2020April 9, 2020 Master Builder 1577 Views

From: 1787: Crater CruiserName: TBDSubmitted by: USERInstructions

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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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Alternate Builds Extra Large Builds Unitron Unitron Alternate Builds 

6991 – Back D

September 28, 2019September 28, 2019 Master Builder 819 Views

From: 6991: Monorail Transport BaseName: TBDSubmitted by: USERInstructions

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Alternate Builds Extra Large Builds Unitron Unitron Alternate Builds 

6991 – Back C

September 28, 2019September 28, 2019 Master Builder 830 Views

From: 6991: Monorail Transport BaseName: TBDSubmitted by: USERInstructions

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Alternate Builds Extra Large Builds Unitron Unitron Alternate Builds 

6991 – Back B

September 28, 2019September 28, 2019 Master Builder 1060 Views

From: 6991: Monorail Transport BaseName: TBDSubmitted by: USERInstructions

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Alternate Builds Extra Large Builds Unitron Unitron Alternate Builds 

6991 – Back A

September 28, 2019September 28, 2019 Master Builder 878 Views

From: 6991: Monorail Transport BaseName: TBDSubmitted by: USERInstructions

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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

4480: Jabba’s Palace
Episode IV/V/VI Medium Builds Official Sets Star Wars Star Wars Sets 

4480: Jabba’s Palace

March 18, 2022March 18, 2022 Master Builder

Year Released: 2003BricklinkInstructions

1620-2: Factory
Classic Town Food and Drink Medium Builds Official Sets Town Town Sets 

1620-2: Factory

October 21, 2021October 21, 2021 Master Builder
6975: Alien Avenger
Large Builds Official Sets UFO UFO Sets 

6975: Alien Avenger

November 9, 2019November 9, 2019 Master Builder
6876: Alienator
Blacktron Blacktron Sets Official Sets Small Builds Space 

6876: Alienator

November 16, 2019May 25, 2020 Master Builder
7153: Jango Fett’s Slave I
Episode II Large Builds Official Sets Star Wars Star Wars Sets 

7153: Jango Fett’s Slave I

May 10, 2022May 10, 2022 Master Builder
1747: Treasure Cave
Official Sets Pirates Pirates I Pirates Sets Very Small Builds 

1747: Treasure Cave

May 6, 2022May 6, 2022 Master Builder
6515: Stunt Copter
Airport Classic Town Official Sets Town Town Sets Very Small Builds 

6515: Stunt Copter

February 2, 2022February 2, 2022 Master Builder
6648: Mag Racer
Classic Town Official Sets Race Small Builds Town Town Sets 

6648: Mag Racer

November 19, 2020November 19, 2020 Master Builder
6933: Spectral Starguider
Blacktron II Blacktron II Sets Medium Builds Official Sets Space 

6933: Spectral Starguider

April 13, 2020May 19, 2022 Master Builder
5920: Island Racer
Adventurers Adventurers Sets Dino Island Official Sets Small Builds 

5920: Island Racer

July 26, 2020July 26, 2020 Master Builder
6048: Majisto’s Magical Workshop
Castle Castle Sets Dragon Knights Medium Builds Official Sets 

6048: Majisto’s Magical Workshop

October 14, 2021October 14, 2021 Master Builder
6875: Hovercraft
Futron Sets Futuron Official Sets Small Builds 

6875: Hovercraft

September 16, 2019September 28, 2019 Master Builder
6894: Invader
Blacktron Blacktron Sets Medium Builds Official Sets 

6894: Invader

November 20, 2019November 20, 2019 Master Builder
6280: Armada Flagship
Imperial Armada Large Builds Official Sets Pirates Pirates I Pirates Sets 

6280: Armada Flagship

July 13, 2021July 13, 2021 Master Builder
4709: Hogwarts Castle
Extra Large Builds Harry Potter Harry Potter Sets Official Sets Sorcerer's Stone 

4709: Hogwarts Castle

April 16, 2021July 13, 2021 Master Builder
6066: Camouflaged Outpost
Castle Castle Sets Forestmen Medium Builds Official Sets 

6066: Camouflaged Outpost

October 11, 2021October 11, 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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