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Back of the Box Builds

LEGO Alternate Builds!

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

Unitron Alternate Builds

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 1898 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 1978 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 1930 Views

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

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Alternate Builds Large Builds Space Unitron Unitron Alternate Builds 

1793 – Back C

April 19, 2021April 19, 2021 Master Builder 1592 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 1201 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 1590 Views

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

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Alternate Builds Medium Builds Space Unitron Unitron Alternate Builds 

1789 – Back C

July 18, 2020July 18, 2020 Master Builder 1581 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 1060 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 1993 Views

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

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Alternate Builds Medium Builds Space Unitron Unitron Alternate Builds 

1787 – Back C

April 9, 2020 Master Builder 900 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 1154 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 2094 Views

From: 1787: Crater CruiserName: TBDSubmitted by: USERInstructions

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Alternate Builds Extra Large Builds Unitron Unitron Alternate Builds 

6991 – Back D

September 28, 2019September 28, 2019 Master Builder 1083 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 1057 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 1332 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 1174 Views

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

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EXPLORE MORE OFFICIAL SETS

6190: Shark’s Crystal Cave
Aquashark Aquazone Aquazone Sets Large Builds Official Sets 

6190: Shark’s Crystal Cave

July 13, 2021January 20, 2022 Master Builder

Year Released: 1996BricklinkInstructions

8024: Universal Set
Medium Builds Official Sets Technic Technic Sets 

8024: Universal Set

October 20, 2019October 20, 2019 Master Builder
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
6125: Sea Sprint 9
Aquanauts Aquazone Aquazone Sets Official Sets Very Small Builds 

6125: Sea Sprint 9

April 9, 2020January 20, 2022 Master Builder
6837: Cosmic Creeper
Insectoids Insectoids Sets Official Sets Small Builds 

6837: Cosmic Creeper

April 2, 2020April 2, 2020 Master Builder
6561: Hot Rod Club
Medium Builds Official Sets Town Town Sets 

6561: Hot Rod Club

November 10, 2019November 10, 2019 Master Builder
6271: Imperial Flagship
Imperial Guards Large Builds Official Sets Pirates Pirates I Pirates Sets 

6271: Imperial Flagship

January 6, 2022January 6, 2022 Master Builder
6769: Fort Legoredo
Extra Large Builds Official Sets Western Western Sets 

6769: Fort Legoredo

November 10, 2019November 10, 2019 Master Builder
4708: Hogwarts Express
Harry Potter Harry Potter Sets Large Builds Official Sets Sorcerer's Stone 

4708: Hogwarts Express

July 13, 2021July 13, 2021 Master Builder
6368: Jet Airliner
Airport Classic Town Medium Builds Official Sets Town Town Sets 

6368: Jet Airliner

January 21, 2021January 21, 2021 Master Builder
6972: Polaris I Space Lab
Classic Space Classic Space Sets Large Builds Official Sets 

6972: Polaris I Space Lab

September 12, 2019September 28, 2019 Master Builder
6340: Hook & Ladder
Classic Town Fire Medium Builds Official Sets Town Town Sets 

6340: Hook & Ladder

December 29, 2021December 29, 2021 Master Builder
4500: Rebel Snowspeeder
Episode II Episode IV/V/VI Medium Builds Official Sets Star Wars Star Wars Sets 

4500: Rebel Snowspeeder

April 9, 2020April 9, 2020 Master Builder
926 (493): Space Command Center
Classic Space Classic Space Sets Medium Builds Official Sets Space 

926 (493): Space Command Center

October 22, 2019October 13, 2021 Master Builder
6892: Modular Space Transport
Classic Space Classic Space Sets Medium Builds Official Sets Space 

6892: Modular Space Transport

November 17, 2021November 17, 2021 Master Builder
6075 (375): Castle
Castle Castle Sets Classic Castle Extra Large Builds Official Sets 

6075 (375): Castle

November 8, 2019October 10, 2022 Master Builder

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MINIFIGS

About This Site

Logo
There were once 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.

Sets

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