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

6511 – Back C
Alternate Builds Classic Town Fire Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6511 – Back C

May 10, 2022May 10, 2022 Master Builder
6528 – Back A
Alternate Builds Race Town Town Alternate Builds Very Small Builds 

6528 – Back A

July 8, 2022July 8, 2022 Master Builder
1558 – Back C
Alternate Builds Classic Space Classic Space Alternate Builds Small Builds Space 

1558 – Back C

December 18, 2021December 18, 2021 Master Builder
6835 – Back C
Alternate Builds Instructions Added Small Alt Build Small Builds Spyrius Spyrius Alternate Builds 

6835 – Back C

November 9, 2019December 27, 2021 Master Builder
6854 – Back C
Alternate Builds Exploriens Exploriens Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6854 – Back C

August 31, 2022September 19, 2022 Master Builder
6765 – Back C
Alternate Builds Large Builds Western Western Alternate Builds 

6765 – Back C

November 10, 2019November 10, 2019 Master Builder
6260 – Back C
Alternate Builds Instructions Added Pirates Pirates Alternate Builds Pirates I Small Alt Build Small Builds 

6260 – Back C

August 31, 2022September 16, 2022 Master Builder

NEW INSTRUCTIONS ADDED!View All

  • 1974-4 – Back B
    Alternate Builds Bonus/Value Pack Alternate Builds Futuron Futuron Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

    1974-4 – Back B

  • 1974-4 – Back A
    Alternate Builds Bonus/Value Pack Alternate Builds Futuron Futuron Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

    1974-4 – Back A

  • 918 – Bottom
    Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

    918 – Bottom

  • 6078 – Back C
    Castle Castle Alternate Builds Cool Creations Instructions Added Large Alt Build Large Builds LEGO Magazine Royal Knights 

    6078 – Back C

  • 6984 – Back D
    ABCs Alternate Builds Instructions Added Large Alt Build Large Builds Space Space Police II Space Police II Alternate Builds 

    6984 – Back D

1974-4 – Back B1974-4 – Back B1974-4 – Back A1974-4 – Back A918 – Bottom918 – Bottom6078 – Back C6078 – Back C6984 – Back D6984 – Back D

NEW OFFICIAL SETS ADDED!View All

4561: Railway Express with Transformer and Speed Regulator
9V Extra Large Builds Official Sets Town Train Train Sets 

4561: Railway Express with Transformer and Speed Regulator

January 5, 2026January 5, 2026 Master Builder

Year Released: 1999BricklinkInstructions

4565: Freight and Crane Railway
9V Extra Large Builds Official Sets Town Train Train Sets 

4565: Freight and Crane Railway

January 5, 2026January 5, 2026 Master Builder

Year Released: 1996BricklinkInstructions

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

NEW ALTERNATE BUILDS ADDED!View All

1974-4 – Back B
Alternate Builds Bonus/Value Pack Alternate Builds Futuron Futuron Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

1974-4 – Back B

January 9, 2026January 12, 2026 Master Builder
1974-4 – Back A
Alternate Builds Bonus/Value Pack Alternate Builds Futuron Futuron Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

1974-4 – Back A

January 9, 2026January 12, 2026 Master Builder
918 – Bottom
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

918 – Bottom

January 6, 2026January 6, 2026 Master Builder
4561 – Back A
Alternate Builds Large Builds Train Train Alternate Builds 

4561 – Back A

January 5, 2026January 5, 2026 Master Builder
4565 – Instructions B
Alternate Builds Large Builds Train Train Alternate Builds 

4565 – Instructions B

January 5, 2026January 5, 2026 Master Builder
4565 – Instructions A
Alternate Builds Large Builds Train Train Alternate Builds 

4565 – Instructions A

January 5, 2026January 5, 2026 Master Builder
4565 – Back A
Alternate Builds Large Builds Train Train Alternate Builds 

4565 – Back A

January 5, 2026January 5, 2026 Master Builder
6984 – Back D
ABCs Alternate Builds Instructions Added Large Alt Build Large Builds Space Space Police II Space Police II Alternate Builds 

6984 – Back D

December 22, 2025December 29, 2025 Master Builder
6984 – Back C
Alternate Builds Instructions Added Large Alt Build Large Builds Space Space Police II Space Police II Alternate Builds 

6984 – Back C

December 22, 2025December 31, 2025 Master Builder
6983 – Back C
Alternate Builds Ice Planet 2002 Ice Planet 2002 Alternate Builds Instructions Added Large Alt Build Large Builds 

6983 – Back C

December 22, 2025December 29, 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

4726 – Back B
Alternate Builds Chamber of Secrets Harry Potter Harry Potter Alternate Builds Small Builds 

4726 – Back B

February 27, 2023February 27, 2023 Master Builder

From: 4726: Quidditch PracticeName: TBDSubmitted by: USERInstructions:

INSTRUCTIONS ADDEDView All

6667 – Back B
Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds Traffic 

6667 – Back B

6440 – Back B
Airport Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6440 – Back B

1096 – Back A
Alternate Builds Classic Town Instructions Added Race Town Town Alternate Builds Very Small Alt Build Very Small Builds 

1096 – Back A

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

6649 – Back C

6370 – Back B
Alternate Builds Building Classic Town Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6370 – Back B

535 – Side L
Alternate Builds Basic Instructions Added LEGOLAND Alternate Builds Medium Alt Build Medium Builds Universal Building Set Universal Building Set Alternate Builds 

535 – Side L

Book 260 – Page 32-33
Alternate Instructions Included Castle Castle Alternate Builds Extra Large Alt Build Extra Large Builds Idea Book Instructions Added Large Alt Build Large Builds Medium Alt Build Medium Builds 

Book 260 – Page 32-33

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

6354 – Back C

6685 – Catalog 1
Alternate Builds Classic Town Fire Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6685 – Catalog 1

Book 6000 – Page 64-65
Classic Space Classic Space Alternate Builds Idea Book Instructions Added Large Alt Build Space 

Book 6000 – Page 64-65

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

6663 – Back C
Alternate Builds Classic Town Harbor Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6663 – Back C

6897 – Back C
Alternate Builds Instructions Added Medium Alt Build Medium Builds Space Space Police II Space Police II Alternate Builds 

6897 – Back C

6018 – Back A
Alternate Builds Castle Castle Alternate Builds Instructions Added Small Alt Build Small Builds 

6018 – Back A

6882 – Back C
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6882 – Back C

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

6444 – Back D

6835 – Back C
Alternate Builds Instructions Added Small Alt Build Small Builds Spyrius Spyrius Alternate Builds 

6835 – Back C

6675 – Back C
Alternate Builds Classic Town Instructions Added Off-Road Small Alt Build Small Builds Town Town Alternate Builds 

6675 – Back C

7043 – Back B
Alternate Builds Fire Instructions Added Small Alt Build Small Builds Town World City 

7043 – Back B

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

720 – Back A

6190 – Back D
Alternate Builds Aquashark Aquazone Aquazone Alternate Builds Instructions Added Medium Alt Build Medium Builds 

6190 – Back D

6672 – Back C
Alternate Builds Classic Town Instructions Added Off-Road Small Alt Build Small Builds Town Town Alternate Builds 

6672 – Back C

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

6512 – Back A

6673 – Back B
Airport Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6673 – Back B

6898 – Back C
Alternate Builds Ice Planet 2002 Ice Planet 2002 Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

6898 – 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

6078 – Back C
Castle Castle Alternate Builds Cool Creations Instructions Added Large Alt Build Large Builds LEGO Magazine Royal Knights 

6078 – Back C

375-2 – Inside B
Alternate Builds Castle Castle Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added 

375-2 – Inside B

6803 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Very Small Alt Build Very Small Builds 

6803 – Back A

6155 – Back D
Alternate Builds Aquashark Aquazone Aquazone Alternate Builds Instructions Added Small Alt Build Small Builds 

6155 – Back D

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

6923 – Back C

6039 – Back B
Alternate Builds Castle Castle Alternate Builds Instructions Added Lion Knights Small Alt Build Small Builds 

6039 – Back B

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

6276 – Back C

6056 – Back A
Alternate Builds Castle Castle Alternate Builds Dragon Knights Instructions Added Small Alt Build Small Builds 

6056 – Back A

6385 – Inside A
Alternate Builds Classic Town Fire Instructions Added Large Alt Build Large Builds Town Town Alternate Builds 

6385 – Inside A

BrickJournal Issue 6 Volume 2 Page 40 – Proto 4
ABCs Concepts and Prototypes Instructions Added M:Tron M:Tron Alternate Builds Small Alt Build Small Builds Space 

BrickJournal Issue 6 Volume 2 Page 40 – Proto 4

1843 – Side L
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 – Side L

Blacktron Time Machine
Blacktron Blacktron Alternate Builds Captain Indigo Concepts and Prototypes Instructions Added LEGO Builders Club LEGO Magazine Small Alt Build Small Builds Space 

Blacktron Time Machine

6265 – Back B
Alternate Builds Imperial Soldiers Instructions Added Pirates Pirates Alternate Builds Pirates I Small Builds 

6265 – Back B

6593 – Back C
Alternate Builds Classic Town Fire Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6593 – Back C

6397 – Back C
Alternate Builds Classic Town Gas Station Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6397 – Back C

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

6481 – Back A

6841 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Very Small Alt Build Very Small Builds 

6841 – Back B

6808 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

6808 – Back B

671 – Back C
Alternate Builds Classic Town Gas Station Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

671 – Back C

4704 – Back B
Alternate Builds Harry Potter Harry Potter Alternate Builds Instructions Added Medium Builds Sorcerer's Stone 

4704 – Back B

1732 – Back C
Alternate Builds Castle Castle Alternate Builds Dragon Knights Instructions Added Very Small Alt Build Very Small Builds 

1732 – Back C

6928 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

6928 – Back B

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

1785 – Back C

535 – Back B
Alternate Builds Basic Instructions Added LEGOLAND Alternate Builds Medium Alt Build Medium Builds Universal Building Set Universal Building Set Alternate Builds 

535 – Back B

6892 – Back C
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

6892 – Back C

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

194 – Instructions B

BrickJournal Issue 6 Volume 2 Page 40 – Proto 5
Concepts and Prototypes Instructions Added M:Tron M:Tron Alternate Builds Small Alt Build Small Builds Space 

BrickJournal Issue 6 Volume 2 Page 40 – Proto 5

6878 – Back C
Alternate Builds Blacktron II Blacktron II Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6878 – Back C

5935 – Back A
Adventurers Adventurers Alternate Builds Alternate Builds Dino Island Instructions Added Small Alt Build Small Builds 

5935 – Back A

6956 – Back C
Alternate Builds Instructions Added Large Alt Build Large Builds M:Tron M:Tron Alternate Builds Space 

6956 – Back C

Book 6000 – Page 36-37
Classic Town Idea Book Instructions Added Large Alt Build Large Builds Town 

Book 6000 – Page 36-37

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

6074 – Back A
Alternate Builds Castle Castle Alternate Builds Instructions Added Large Alt Build Large Builds 

6074 – Back A

6983 – Back C
Alternate Builds Ice Planet 2002 Ice Planet 2002 Alternate Builds Instructions Added Large Alt Build Large Builds 

6983 – Back C

6951 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Large Alt Build Large Builds Space 

6951 – Back A

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

720 – Back E

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

1787 – Back C
Alternate Builds Instructions Added Medium Alt Build Medium Builds Space Unitron Unitron Alternate Builds 

1787 – Back C

Book 250 – Page 32-33
Classic Space Classic Space Alternate Builds Idea Book Instructions Added Medium Alt Build Space 

Book 250 – Page 32-33

6672 – Back B
Alternate Builds Classic Town Instructions Added Off-Road Small Alt Build Small Builds Town Town Alternate Builds 

6672 – Back B

1736 – Back C
Alternate Builds Castle Castle Alternate Builds Dragon Knights Instructions Added Very Small Alt Build Very Small Builds 

1736 – Back C

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

6891 – Back A

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

6973 – Back B
Alternate Builds Ice Planet 2002 Ice Planet 2002 Alternate Builds Instructions Added Large Alt Build Large Builds 

6973 – Back B

6872 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6872 – Back B

607 – Back A
Alternate Builds Classic Town Construction Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

607 – Back A

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

6662 – Back B

6357 – Back E
Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds Traffic 

6357 – Back E

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

6036 – Back B

6367 – Back E
Alternate Builds Cargo Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6367 – Back E

6208 – Back B
Alternate Builds Episode IV/V/VI Instructions Added Large Alt Build Large Builds Star Wars Star Wars Alternate Builds 

6208 – Back B

6454 – Back A
Alternate Builds Instructions Added Small Alt Build Small Builds Space Port Town Town Alternate Builds 

6454 – Back A

Book 6000 – Page 58-59
Classic Space Classic Space Alternate Builds Idea Book Instructions Added Large Alt Build Space 

Book 6000 – Page 58-59

6842 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds 

6842 – Back B

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

920 – Back E

6832 – Back A
Alternate Builds Blacktron II Blacktron II Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

6832 – Back A

6836 – Back B
Alternate Builds Instructions Added Small Alt Build Small Builds UFO UFO Alternate Builds 

6836 – Back B

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

6380 – Back C

6356 – Back B
Alternate Builds Classic Town Hospital Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6356 – Back B

6949 – Back A
Alternate Builds Instructions Added Large Alt Build Large Builds Space Spyrius Spyrius Alternate Builds 

6949 – Back A

6899 – Back A
Alternate Builds Exploriens Exploriens Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

6899 – Back A

6082 – Back D
Alternate Builds Castle Castle Alternate Builds Dragon Knights Instructions Added Large Alt Build Large Builds 

6082 – Back D

6237 – Back A
Alternate Builds Instructions Added Pirates Pirates Alternate Builds Pirates I Very Small Alt Build Very Small Builds 

6237 – Back A

6021 – Back C
Alternate Builds Castle Castle Alternate Builds Instructions Added Very Small Alt Build Very Small Builds 

6021 – Back C

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

928 – Back G

1732 – Back A
Alternate Builds Castle Castle Alternate Builds Dragon Knights Instructions Added Very Small Alt Build Very Small Builds 

1732 – Back A

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

6810 – Back C

Book 200 – Page 46-47
Castle Castle Alternate Builds Idea Book Instructions Added Small Alt Build Small Builds 

Book 200 – Page 46-47

6511 – Back B
Alternate Builds Classic Town Fire Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6511 – Back B

6509 – Back C
Alternate Builds Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6509 – Back C

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

6394 – Back B

6273 – Back A
Alternate Builds Instructions Added Large Alt Build Large Builds Pirates Pirates Alternate Builds Pirates I 

6273 – Back A

6356 – Back C
Alternate Builds Classic Town Hospital Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6356 – Back C

6895 – Back C
Alternate Builds Instructions Added Medium Alt Build Medium Builds Space Space Police I Space Police I Alternate Builds 

6895 – Back C

EXPLORE MORE OFFICIAL SETS

6503: Sprint Racer
Official Sets Race Town Town Sets Very Small Builds 

6503: Sprint Racer

July 9, 2022July 9, 2022 Master Builder

Year Released: 1988BricklinkInstructions

735: Basic Building Set
Basic Extra Large Builds Official Sets Universal Building Set 

735: Basic Building Set

September 15, 2022September 15, 2022 Master Builder
6823: Surface Transport
Classic Space Classic Space Sets Official Sets Very Small Builds 

6823: Surface Transport

September 30, 2019September 30, 2019 Master Builder
5521: Sea Jet
Large Builds Model Team Model Team Sets Official Sets 

5521: Sea Jet

January 12, 2021January 12, 2021 Master Builder
6677: Motocross Racing
ABCs Official Sets Race Town Town Sets Very Small Builds 

6677: Motocross Racing

June 8, 2023July 31, 2023 Master Builder
6262: King Kahuka’s Throne
Islanders Medium Builds Official Sets Pirates Pirates I Pirates Sets 

6262: King Kahuka’s Throne

June 1, 2022June 1, 2022 Master Builder
6973: Deep Freeze Defender
ABCs Box Story Ice Planet 2002 Ice Planet 2002 Sets Jørn Thomsen Large Builds Official Sets Space 

6973: Deep Freeze Defender

September 26, 2019December 17, 2024 Master Builder
6351: Surf N’ Sail Camper
Classic Town Medium Builds Official Sets Recreation Town Town Sets 

6351: Surf N’ Sail Camper

July 14, 2021July 14, 2021 Master Builder
4910: Hover Scout
Official Sets Rock Raiders Rock Raiders Sets Very Small Builds 

4910: Hover Scout

March 1, 2023March 1, 2023 Master Builder
7190: Millennium Falcon
Extra Large Builds Official Sets Star Wars Star Wars Sets 

7190: Millennium Falcon

November 14, 2019November 14, 2019 Master Builder
924 (487): Space Cruiser
Classic Space Classic Space Sets Different Box Versions Different Set Numbers Jens Nygaard Knudsen LL Link Medium Builds Official Sets Space 

924 (487): Space Cruiser

January 25, 2022October 17, 2024 Master Builder
6909: Sonic Stinger with Promotional Mask
ABCs Box Plus Insectoids Insectoids Sets Mask Official Sets Small Builds Space 

6909: Sonic Stinger with Promotional Mask

October 4, 2024March 22, 2025 Master Builder
7134: A-wing Fighter
Episode IV/V/VI Medium Builds Official Sets Star Wars Star Wars Sets 

7134: A-wing Fighter

December 29, 2021December 29, 2021 Master Builder
10182: Café Corner
Creator Expert Extra Large Builds Modular Buildings Collection Official Sets 

10182: Café Corner

January 23, 2024January 23, 2024 Master Builder
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
6030: Catapult
Black Falcons Castle Castle Sets Official Sets Small Builds 

6030: Catapult

April 2, 2022April 2, 2022 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 © 2026 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.