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

BACK OF THE BOX BUILDS

2333 – Back A
Alternate Builds Basic Set Duplo Duplo Alternate Builds Very Small Builds 

2333 – Back A

May 16, 2023May 16, 2023 Master Builder
1496 – Back B
Alternate Builds Small Builds Town Town Alternate Builds 

1496 – Back B

October 20, 2019October 20, 2019 Master Builder
6848 – Back A
Alternate Builds Duplicate Alternate Number Futuron Futuron Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6848 – Back A

April 16, 2021March 11, 2024 Master Builder
6949 – Back B
Alternate Builds Instructions Added Large Alt Build Large Builds Space Spyrius Spyrius Alternate Builds 

6949 – Back B

July 12, 2022July 13, 2022 Master Builder
6236 – Back A
Alternate Builds Instructions Added Islanders Pirates Pirates Alternate Builds Pirates I Very Small Alt Build Very Small Builds 

6236 – Back A

May 18, 2022May 23, 2022 Master Builder
6929 – Back C
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Medium Alt Build Medium Builds 

6929 – Back C

March 30, 2023March 31, 2023 Master Builder
565 – Bottom
Alternate Builds Basic LEGOLAND Alternate Builds Medium Builds Universal Building Set Universal Building Set Alternate Builds 

565 – Bottom

December 28, 2023July 11, 2024 Master Builder

NEW INSTRUCTIONS ADDED!View All

  • 6988 – Back C
    Alternate Builds Blacktron II Blacktron II Alternate Builds Instructions Added Large Alt Build Large Builds 

    6988 – Back C

  • 6988 – Back B
    Alternate Builds Blacktron II Blacktron II Alternate Builds Instructions Added Large Alt Build Large Builds 

    6988 – Back B

  • 6506 – Back C
    Alternate Builds Classic Town Instructions Added Police Town Town Alternate Builds Very Small Alt Build Very Small Builds 

    6506 – Back C

  • 6506 – Back B
    Alternate Builds Classic Town Instructions Added Police Town Town Alternate Builds Very Small Alt Build Very Small Builds 

    6506 – Back B

  • 6506 – Back A
    Alternate Builds Classic Town Instructions Added Police Town Town Alternate Builds Very Small Alt Build Very Small Builds 

    6506 – Back A

6988 – Back C6988 – Back C6988 – Back B6988 – Back B6506 – Back C6506 – Back C6506 – Back B6506 – Back B6506 – Back A6506 – Back A

NEW OFFICIAL SETS ADDED!View All

6458: Satellite with Astronaut
Official Sets Space Port Town Town Sets Very Small Builds 

6458: Satellite with Astronaut

December 17, 2025December 17, 2025 Master Builder

Year Released: 1999BricklinkInstructions

4150: FreeStyle Building Set
Box Plus FreeStyle FreeStyle Official Sets Official Sets Poster Small Builds 

4150: FreeStyle Building Set

December 17, 2025December 17, 2025 Master Builder

Year Released: 1995BricklinkInstructions

951: Bulldozer
Large Builds Official Sets Technic Technic Sets 

951: Bulldozer

December 17, 2025December 17, 2025 Master Builder

Year Released: 1979BricklinkInstructions

NEW ALTERNATE BUILDS ADDED!View All

6458 – Back B
Alternate Builds Space Port Town Town Alternate Builds Very Small Builds 

6458 – Back B

December 17, 2025December 17, 2025 Master Builder
6458 – Back A
Alternate Builds Space Port Town Town Alternate Builds Very Small Builds 

6458 – Back A

December 17, 2025December 17, 2025 Master Builder
801 – Instructions
Alternate Builds Gears Medium Builds Universal Building Set Universal Building Set Alternate Builds 

801 – Instructions

December 17, 2025December 17, 2025 Master Builder
1380 – Back A
Alternate Builds Small Builds Studio Alternate Builds Studios 

1380 – Back A

December 16, 2025December 16, 2025 Master Builder
4856 – Back A
Alternate Builds Extra Large Builds Spider-Man Spider-Man 2 Spider-Man Alternate Builds 

4856 – Back A

December 16, 2025December 16, 2025 Master Builder
7411 – Back B
Adventurers Adventurers Alternate Builds Alternate Builds Orient Expedition Small Builds 

7411 – Back B

December 16, 2025December 16, 2025 Master Builder
7411 – Back A
Adventurers Adventurers Alternate Builds Alternate Builds Orient Expedition Small Builds 

7411 – Back A

December 16, 2025December 16, 2025 Master Builder
6901-2 – Back A
Alternate Builds Duplicate Alternate Number UFO UFO Alternate Builds Very Small Builds 

6901-2 – Back A

December 16, 2025December 16, 2025 Master Builder
6083-2 – Back C
Alternate Builds Duplicate Alternate Number Medium Builds Ninja Ninja Alternate Builds 

6083-2 – Back C

December 16, 2025December 16, 2025 Master Builder
6083-2 – Back B
Alternate Builds Duplicate Alternate Number Medium Builds Ninja Ninja Alternate Builds 

6083-2 – Back B

December 16, 2025December 16, 2025 Master Builder

STAR WARSView All

7146 – Back A
Alternate Builds Episode IV/V/VI Medium Builds Star Wars Star Wars Alternate Builds 

7146 – Back A

February 19, 2025February 19, 2025 Master Builder

From: 7146: TIE FighterName: TBDSubmitted by: USERInstructions

HARRY POTTERView All

4720 – Back C
Alternate Builds Chamber of Secrets Harry Potter Harry Potter Alternate Builds Very Small Builds 

4720 – Back C

July 9, 2024July 9, 2024 Master Builder

From: 4720: Knockturn AlleyName: TBDSubmitted by: USERInstructions:

INSTRUCTIONS ADDEDView All

720 – Inside E
Alternate Builds Basic Instructions Added LEGOLAND Alternate Builds Medium Alt Build Medium Builds Universal Building Set Universal Building Set Alternate Builds 

720 – Inside E

6823 – Back C
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Very Small Alt Build Very Small Builds 

6823 – Back C

6541 – Back D
Alternate Builds Classic Town Harbor Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6541 – Back D

Book 6000 – Page 24-25
Classic Town Idea Book Instructions Added Medium Alt Build Medium Builds Town 

Book 6000 – Page 24-25

928 – Back G
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

928 – Back G

1747 – Back A
Alternate Builds Instructions Added Pirates Pirates Alternate Builds Pirates I Very Small Alt Build Very Small Builds 

1747 – Back A

6970 – Back E
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6970 – Back E

6394 – Back B
Alternate Builds Classic Town Gas Station Instructions Added Large Alt Build Large Builds Town Town Alternate Builds 

6394 – Back B

6062 – Back A
ABCs Alternate Builds Black Falcons Castle Castle Alternate Builds Instructions Added Medium Alt Build Medium Builds 

6062 – Back A

6662 – Back C
Alternate Builds Classic Town Construction Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6662 – Back C

6826 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

6826 – Back B

6970 – Back F
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Large Alt Build Large Builds Space 

6970 – Back F

720 – Instructions A
Alternate Builds Basic Instructions Added LEGOLAND Alternate Builds Medium Alt Build Medium Builds Universal Building Set Universal Building Set Alternate Builds 

720 – Instructions A

6891 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Medium Alt Build Medium Builds 

6891 – Back A

6879 – Back A
Alternate Builds Ice Planet 2002 Ice Planet 2002 Alternate Builds Instructions Added Small Alt Build Small Builds 

6879 – Back A

6820 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

6820 – Back A

6373 – Back C
Alternate Builds Classic Town Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds Traffic 

6373 – Back C

6515 – Back C
Airport Alternate Builds Classic Town Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6515 – Back C

4591 – Back B
Alternate Builds Drome Racers Instructions Added Racers Racers Alternate Builds Very Small Alt Build Very Small Builds 

4591 – Back B

6335 – Back E
Alternate Builds Classic Town Instructions Added Medium Alt Build Medium Builds Race Town Town Alternate Builds 

6335 – Back E

6518 – Back A
Alternate Builds Classic Town Coast Guard Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6518 – Back A

6276 – Back A
Alternate Builds Extra Large Alt Build Extra Large Builds Imperial Soldiers Instructions Added Pirates Pirates Alternate Builds Pirates I 

6276 – Back A

7725 – Back B
Alternate Builds Instructions Added Medium Alt Build Medium Builds Train Train Alternate Builds 

7725 – Back B

6386 – Back B
Alternate Builds Classic Town Instructions Added Medium Alt Build Medium Builds Police Town Town Alternate Builds 

6386 – Back B

7143 – Back B
Alternate Builds Episode II Instructions Added Small Alt Build Small Builds Star Wars Star Wars Alternate Builds 

7143 – Back B

6037 – Back B
Alternate Builds Castle Castle Alternate Builds Fright Knights Instructions Added Small Alt Build Small Builds 

6037 – Back B

6397 – Back A
Alternate Builds Classic Town Gas Station Instructions Added Large Alt Build Large Builds Town Town Alternate Builds 

6397 – Back A

6512 – Back C
Alternate Builds Classic Town Construction Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6512 – Back C

6941 – Inside A
ABCs Alternate Builds Blacktron Blacktron Alternate Builds Instructions Added Medium Alt Build Medium Builds 

6941 – Inside A

Book 260 – Page 42-43
Blacktron Alternate Builds Extra Large Builds Idea Book Instructions Added M:Tron Alternate Builds Small Alt Build Space Space Police I Alternate Builds 

Book 260 – Page 42-43

6393 – Back E
Alternate Builds Classic Town Extra Large Alt Build Extra Large Builds Instructions Added Town Town Alternate Builds Traffic 

6393 – Back E

720 – Back C
Alternate Builds Basic Instructions Added LEGOLAND Alternate Builds Medium Alt Build Medium Builds Universal Building Set Universal Building Set Alternate Builds 

720 – Back C

6022 – Back B
Alternate Builds Castle Castle Alternate Builds Instructions Added Very Small Alt Build Very Small Builds 

6022 – Back B

6562 – Back D
Alternate Builds Classic Town Gas Station Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6562 – Back D

Book 6000 – Page 62-63
Classic Space Classic Space Alternate Builds Idea Book Instructions Added Medium Alt Build Space 

Book 6000 – Page 62-63

6953 – Back C
Alternate Builds Futuron Futuron Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

6953 – Back C

6518 – Back B
Alternate Builds Classic Town Coast Guard Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6518 – Back B

6989 – Back B
ABCs Alternate Builds Instructions Added Large Alt Build Large Builds M:Tron M:Tron Alternate Builds 

6989 – Back B

6513 – Back B
Alternate Builds Classic Town Harbor Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6513 – Back B

4708 – Back C
Alternate Builds Harry Potter Harry Potter Alternate Builds Instructions Added Large Alt Build Large Builds Sorcerer's Stone 

4708 – Back C

6939 – Back A
Alternate Builds Instructions Added Medium Alt Build Medium Builds Spyrius Spyrius Alternate Builds 

6939 – Back A

6814 – Back C
Alternate Builds Ice Planet 2002 Ice Planet 2002 Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

6814 – Back C

886 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

886 – Back A

6685 – Back B
Alternate Builds Classic Town Fire Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6685 – Back B

6036 – Bottom
Castle Castle Alternate Builds Instructions Added Royal Knights Small Builds 

6036 – Bottom

Book 250 – Page 44-45
Castle Castle Alternate Builds Extra Large Alt Build Idea Book Instructions Added 

Book 250 – Page 44-45

6484 – Back D
Alternate Builds Classic Town Instructions Added Medium Alt Build Medium Builds Race Town Town Alternate Builds 

6484 – Back D

6938 – Back B
Alternate Builds Exploriens Exploriens Alternate Builds Instructions Added Medium Alt Build Medium Builds 

6938 – Back B

4709 – Back C
Alternate Builds Extra Large Builds Harry Potter Harry Potter Alternate Builds Instructions Added Sorcerer's Stone 

4709 – Back C

6818 – Back B
Alternate Builds Instructions Added Small Builds Space UFO UFO Alternate Builds Very Small Alt Build 

6818 – Back B

6698 – Back D
Alternate Builds Classic Town Harbor Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6698 – Back D

6402 – Back A
Alternate Builds Instructions Added Paradisa Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6402 – Back A

1731 – Back C
Alternate Builds Ice Planet 2002 Ice Planet 2002 Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

1731 – Back C

1616 – Back A
Alternate Builds Bonus/Value Pack Alternate Builds Futuron Futuron Alternate Builds Instructions Added Small Builds Space 

1616 – Back A

6933 – Back A
Alternate Builds Blacktron II Blacktron II Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

6933 – Back A

194 – Back A
Alternate Builds Building Set with People Building Set with People Alternate Builds Instructions Added Small Alt Build Small Builds 

194 – Back A

6346 – Back D
Airport Alternate Builds Classic Town Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6346 – Back D

1499 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

1499 – Back A

6041 – Back A
Alternate Builds Castle Castle Alternate Builds Instructions Added Lion Knights Small Alt Build Small Builds 

6041 – Back A

6813 – Back B
Alternate Builds Instructions Added Space Space Police II Space Police II Alternate Builds Very Small Alt Build Very Small Builds 

6813 – Back B

6810 – Back C
Alternate Builds Futuron Futuron Alternate Builds Instructions Added Very Small Alt Build Very Small Builds 

6810 – Back C

6825 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds 

6825 – Back B

1916 (3015) – Back B
Alternate Builds Instructions Added Space Space Police II Space Police II Alternate Builds Very Small Alt Build Very Small Builds 

1916 (3015) – Back B

6923 – Back C
Alternate Builds Instructions Added M:Tron M:Tron Alternate Builds Medium Alt Build Medium Builds Space 

6923 – Back C

6896 – Back A
Alternate Builds Instructions Added M:Tron M:Tron Alternate Builds Small Alt Build Small Builds Space 

6896 – Back A

6970 – Back H
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6970 – Back H

6940 – Inside A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Medium Alt Build Medium Builds 

6940 – Inside A

6580 – Back B
Alternate Builds Extreme Team Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6580 – Back B

6512 – Back B
Alternate Builds Classic Town Construction Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6512 – Back B

6048 – Back A
Alternate Builds Castle Castle Alternate Builds Dragon Knights Instructions Added Medium Alt Build Medium Builds 

6048 – Back A

6190 – Back C
Alternate Builds Aquashark Aquazone Aquazone Alternate Builds Instructions Added Large Alt Build Large Builds 

6190 – Back C

6480 – Back A
Alternate Builds Classic Town Fire Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6480 – Back A

6985 – Back C
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

6985 – Back C

6649 – Back A
Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds Traffic 

6649 – Back A

6036 – Back B
Castle Castle Alternate Builds Instructions Added Royal Knights Small Builds 

6036 – Back B

6482 – Back D
Alternate Builds Classic Town Hospital Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6482 – Back D

6481 – Back E
Alternate Builds Classic Town Construction Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6481 – Back E

6986 – Back B
Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added Space Space Police I Space Police I Alternate Builds 

6986 – Back B

6381 – Back C
Alternate Builds Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6381 – Back C

1968 – Back C
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

1968 – Back C

6086 – Inside A
Alternate Builds Black Knights Castle Castle Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added 

6086 – Inside A

6971 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Large Alt Build Large Builds Space 

6971 – Back A

Book 260 – Page 46-47
Blacktron Blacktron Alternate Builds Idea Book Instructions Added Space Space Police I Space Police I Alternate Builds 

Book 260 – Page 46-47

1785 – Back C
Alternate Builds Instructions Added Small Alt Build Small Builds Space Spyrius Spyrius Alternate Builds Unitron Unitron Alternate Builds 

1785 – Back C

4594 – Back B
Alternate Builds Drome Racers Instructions Added Racers Racers Alternate Builds Very Small Alt Build Very Small Builds 

4594 – Back B

6354 – Back B
Alternate Builds Classic Town Instructions Added Police Small Alt Build Small Builds Town Town Alternate Builds 

6354 – Back B

6896 – Back B
Alternate Builds Instructions Added M:Tron M:Tron Alternate Builds Small Alt Build Small Builds Space 

6896 – Back B

6648 – Back A
Alternate Builds Classic Town Instructions Added Race Small Alt Build Small Builds Town Town Alternate Builds 

6648 – Back A

6542 – Back E
Alternate Builds Classic Town Harbor Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6542 – Back E

6380 – Back C
Alternate Builds Classic Town Hospital Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6380 – Back C

1875 – Back B
Alternate Builds Blacktron Blacktron Alternate Builds Bonus/Value Pack Alternate Builds Instructions Added Small Alt Build Small Builds Space 

1875 – Back B

Book 6000 – Page 76-77
Castle Castle Alternate Builds Idea Book Instructions Added Small Alt Build 

Book 6000 – Page 76-77

6955 – Back C
Alternate Builds Instructions Added Large Alt Build Large Builds Space Space Police I Space Police I Alternate Builds 

6955 – Back C

6870 – Back A
ABCs Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

6870 – Back A

6846 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6846 – Back B

6885 – Back C
Alternate Builds Futuron Futuron Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6885 – Back C

6373 – Back B
Alternate Builds Classic Town Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds Traffic 

6373 – Back B

6444 – Back B
Alternate Builds Classic Town Instructions Added Outback Small Builds Town Town Alternate Builds 

6444 – Back B

Book 250 – Page 48-49
Castle Castle Alternate Builds Extra Large Alt Build Idea Book Instructions Added 

Book 250 – Page 48-49

6518 – Back C
Alternate Builds Classic Town Coast Guard Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6518 – Back C

EXPLORE MORE OFFICIAL SETS

4708: Hogwarts Express
Harry Potter Harry Potter Sets Large Builds Official Sets Sorcerer's Stone 

4708: Hogwarts Express

July 13, 2021August 8, 2024 Master Builder

Year Released: 2001BricklinkInstructions

5909: Treasure Raiders set with Mummy Storage Container
Adventurers Adventurers Sets Box Plus Desert Medium Builds Official Sets Storage Container 

5909: Treasure Raiders set with Mummy Storage Container

October 8, 2024October 10, 2024 Master Builder
6770: Lunar Transporter Patroller
Futron Sets Futuron Medium Builds Official Sets Space 

6770: Lunar Transporter Patroller

September 11, 2023September 11, 2023 Master Builder
1732 (1712): Crossbow Cart
Castle Castle Sets Dragon Knights Official Sets Very Small Builds 

1732 (1712): Crossbow Cart

August 19, 2024October 8, 2024 Master Builder
6296: Shipwreck Island
Medium Builds Official Sets Pirates Pirates I Pirates Sets 

6296: Shipwreck Island

January 12, 2022January 12, 2022 Master Builder
4704: The Chamber of the Winged Keys
Harry Potter Harry Potter Sets Medium Builds Official Sets Sorcerer's Stone 

4704: The Chamber of the Winged Keys

May 28, 2024May 28, 2024 Master Builder
7256: Jedi Starfighter & Vulture Droid
Episode III Medium Builds Official Sets Star Wars Star Wars Sets 

7256: Jedi Starfighter & Vulture Droid

March 1, 2023May 12, 2023 Master Builder
1498: Spy-Bot
Classic Space Classic Space Sets Official Sets Small Builds Space 

1498: Spy-Bot

March 11, 2024March 11, 2024 Master Builder
6209: Slave I (2nd edition)
Episode IV/V/VI Extra Large Builds Official Sets Star Wars Star Wars Sets 

6209: Slave I (2nd edition)

February 1, 2024February 1, 2024 Master Builder
6831: Message Decoder
Bjarne Tveskov Official Sets Space Space Police I Space Police I Sets Very Small Builds 

6831: Message Decoder

May 3, 2020July 29, 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
4504: Millennium Falcon (Redesign)
Episode IV/V/VI Extra Large Builds Official Sets Star Wars Star Wars Sets 

4504: Millennium Falcon (Redesign)

May 15, 2023May 15, 2023 Master Builder
6279: Skull Island
Box Story Large Builds Official Sets Pirates Pirates I Pirates Sets 

6279: Skull Island

February 21, 2025February 21, 2025 Master Builder
6604: Formula-1 Racer
Official Sets Race Town Town Sets Very Small Builds 

6604: Formula-1 Racer

November 25, 2020November 25, 2020 Master Builder
7725: Electric Passenger Train
12V Large Builds Official Sets Town Train Train Sets 

7725: Electric Passenger Train

December 29, 2021July 26, 2022 Master Builder
454: Two Lunar Landing Plates
Classic Space Classic Space Sets Official Sets Space Supplemental 

454: Two Lunar Landing Plates

July 11, 2024July 11, 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.