Skip to content
Back of the Box Builds

Back of the Box Builds

LEGO Alternate Builds!

  • SETS
    • Adventurers
    • Aquazone
    • Belville
    • BATMAN™
    • BIONICLE
    • Building Set with People
    • Castle
    • Duplo
    • Fabuland
    • Harry Potter
    • Holiday and Event
    • LEGOLAND
    • Model Team
    • Pirates
    • Space
    • Star Wars
    • Technic
    • Train
    • 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

6975 – Back B
Alternate Builds Instructions Added Large Alt Build Large Builds Space UFO UFO Alternate Builds 

6975 – Back B

June 25, 2025July 21, 2025 Master Builder
6512 – Back C
Alternate Builds Classic Town Construction Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6512 – Back C

June 6, 2022June 6, 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
6088 – Back B
Alternate Builds Large Builds Ninja Ninja Alternate Builds 

6088 – Back B

January 24, 2022January 24, 2022 Master Builder
5920 – Back A
Adventurers Adventurers Alternate Builds Alternate Builds Dino Island Small Builds 

5920 – Back A

July 26, 2020July 26, 2020 Master Builder
6590 – Back C
Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds Traffic 

6590 – Back C

February 14, 2023February 19, 2023 Master Builder
6589 – Extra B
Alternate Builds Extreme Team Small Builds Town Town Alternate Builds 

6589 – Extra B

February 27, 2023February 27, 2023 Master Builder

NEW INSTRUCTIONS ADDED!View All

  • 5938 – Back B
    Adventurers Adventurers Alternate Builds Alternate Builds Desert Instructions Added Small Alt Build Small Builds 

    5938 – Back B

  • 6665 – Back C
    Alternate Builds Classic Town Instructions Added Recreation Small Alt Build Small Builds Town Town Alternate Builds 

    6665 – Back C

  • 6665 – Back B
    Alternate Builds Classic Town Instructions Added Recreation Small Alt Build Small Builds Town Town Alternate Builds 

    6665 – Back B

  • 6665 – Back A
    Alternate Builds Classic Town Instructions Added Recreation Small Alt Build Small Builds Town Town Alternate Builds 

    6665 – Back A

  • 6615 – Back D
    Airport Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

    6615 – Back D

5938 – Back B5938 – Back B6665 – Back C6665 – Back C6665 – Back B6665 – Back B6665 – Back A6665 – Back A6615 – Back D6615 – Back D

NEW OFFICIAL SETS ADDED!View All

369: Coast Guard Station
Coast Guard LEGOLAND Medium Builds Official Sets 

369: Coast Guard Station

October 26, 2026October 26, 2026 Master Builder

Year Released: 1976BricklinkInstructions

361-2: Garage
Classic Town Official Sets Small Builds Town Town Sets Traffic 

361-2: Garage

October 26, 2026October 26, 2026 Master Builder

Year Released: 1979BricklinkInstructions

385: Jeep CJ-5
LEGOLAND Official Sets Small Builds Vehicles 

385: Jeep CJ-5

October 26, 2026October 26, 2026 Master Builder

Year Released: 1976BricklinkInstructions

NEW ALTERNATE BUILDS ADDED!View All

369 – Bottom A
Alternate Builds Coast Guard Illegal Building Techniques LEGOLAND LEGOLAND Alternate Builds Small Builds 

369 – Bottom A

October 26, 2026October 26, 2026 Master Builder
369 – Back F
Alternate Builds Coast Guard Illegal Building Techniques LEGOLAND LEGOLAND Alternate Builds Small Builds 

369 – Back F

October 26, 2026October 26, 2026 Master Builder
369 – Back E
Alternate Builds Coast Guard LEGOLAND LEGOLAND Alternate Builds Small Builds 

369 – Back E

October 26, 2026October 26, 2026 Master Builder
369 – Back D
Alternate Builds Coast Guard LEGOLAND LEGOLAND Alternate Builds Small Builds 

369 – Back D

October 26, 2026October 26, 2026 Master Builder
369 – Back C
Alternate Builds Coast Guard LEGOLAND LEGOLAND Alternate Builds Small Builds 

369 – Back C

October 26, 2026October 26, 2026 Master Builder
369 – Back B
Alternate Builds Coast Guard LEGOLAND LEGOLAND Alternate Builds Small Builds 

369 – Back B

October 26, 2026October 26, 2026 Master Builder
369 – Back A
Alternate Builds Coast Guard LEGOLAND LEGOLAND Alternate Builds Small Builds 

369 – Back A

October 26, 2026October 26, 2026 Master Builder
361-2 – Back E
Alternate Builds Classic Town Small Builds Town Town Alternate Builds Traffic 

361-2 – Back E

October 26, 2026October 26, 2026 Master Builder
361-2 – Back D
Alternate Builds Classic Town Small Builds Town Town Alternate Builds Traffic 

361-2 – Back D

October 26, 2026October 26, 2026 Master Builder
361-2 – Back C
Alternate Builds Classic Town Small Builds Town Town Alternate Builds Traffic 

361-2 – Back C

October 26, 2026October 26, 2026 Master Builder

STAR WARSView All

7166 – Back B
Alternate Builds Episode IV/V/VI Large Builds Star Wars Star Wars Alternate Builds 

7166 – Back B

April 16, 2021April 16, 2021 Master Builder

From: 7166: Imperial ShuttleName: TBDSubmitted by: USERInstructions:

HARRY POTTERView All

4706 – Back C
Alternate Builds Harry Potter Harry Potter Alternate Builds Instructions Added Medium Builds Sorcerer's Stone 

4706 – Back C

June 12, 2024June 17, 2024 Master Builder

From: 4706: Forbidden CorridorName: Treasure Tower Instructions: View PDF | Download .io File

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

6386 – Back C
Alternate Builds Classic Town Instructions Added Large Alt Build Large Builds Police Town Town Alternate Builds 

6386 – Back C

6781 – Back A
Alternate Builds Instructions Added Medium Alt Build Medium Builds Space Space Police I Space Police I Alternate Builds 

6781 – Back A

6831 – Back A
Alternate Builds Instructions Added Space Space Police I Space Police I Alternate Builds Very Small Alt Build Very Small Builds 

6831 – Back A

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

920 – Back G

710 – Back C
Alternate Builds Basic Instructions Added LEGOLAND Alternate Builds Universal Building Set Universal Building Set Alternate Builds Very Small Alt Build Very Small Builds 

710 – Back C

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

6818 – Back B

7111 – Back A
Alternate Builds Instructions Added Small Alt Build Small Builds Star Wars Star Wars Alternate Builds 

7111 – Back A

6075-1 – Inside A
Castle Castle Alternate Builds Instructions Added Large Alt Build Large Builds Wolfpack 

6075-1 – Inside A

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

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

6841 – Back A

7700 – Inside A
Alternate Builds Exo-Force Exo-Force Alternate Builds Instructions Added Medium Builds 

7700 – Inside A

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

194 – Back D

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

918 – Back A

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

6190 – Back C

4883 – Instructions F
Alternate Builds Designer Sets Designer Sets Alternate Builds Instructions Added Small Alt Build Small Builds 

4883 – Instructions F

6380 – Back D
Alternate Builds Classic Town Hospital Instructions Added Large Alt Build Large Builds Town Town Alternate Builds 

6380 – Back D

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

6825 – Back B

7121 – Back A
Alternate Builds Episode I Instructions Added Small Alt Build Small Builds Star Wars Star Wars Alternate Builds 

7121 – Back A

7180 – Back A
Alternate Builds Episode IV/V/VI Instructions Added Medium Alt Build Medium Builds Star Wars Star Wars Alternate Builds 

7180 – Back A

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

6022 – Back A

4707 – Back B
Alternate Builds Harry Potter Harry Potter Alternate Builds Instructions Added Medium Builds Sorcerer's Stone 

4707 – Back B

6042 – Back B
Alternate Builds Castle Castle Alternate Builds Crusaders Instructions Added Small Alt Build Small Builds 

6042 – Back B

6854 – Back A
Alternate Builds Exploriens Exploriens Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6854 – Back A

6736 – Back B
Alternate Builds Alternate Instructions Included Instructions Added Island Xtreme Stunts Island Xtreme Stunts Alternate Builds Medium Alt Build Medium Builds 

6736 – Back B

6881 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6881 – Back B

6175 – Back D
Alternate Builds Aquanauts Aquazone Aquazone Alternate Builds Instructions Added Medium Alt Build Medium Builds 

6175 – Back D

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

6846 – Back C

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

6971 – Back A

6375 – Back D
Alternate Builds Cargo Classic Town Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6375 – Back D

6833 – Back A
Alternate Builds Instructions Added M:Tron M:Tron Alternate Builds Space Very Small Alt Build Very Small Builds 

6833 – Back A

6815 – Back B
Alternate Builds Exploriens Exploriens Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

6815 – Back B

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

6370 – Back A

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

6440 – Back A

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

6672 – Back B

894 – Back D
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

894 – Back D

8369 – Inside D
Alternate Builds Instructions Added Racers Racers Alternate Builds Radio Control Small Alt Build Small Builds 

8369 – Inside D

6035 – Back C
Alternate Builds Black Falcons Castle Castle Alternate Builds Instructions Added Small Alt Build Small Builds 

6035 – Back C

Book 7777 – Page 42-43
Idea Book Instructions Added Large Alt Build Large Builds Town Train 

Book 7777 – Page 42-43

6533 – Back C
Alternate Builds Classic Town Instructions Added Police Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6533 – Back C

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

920 – Back A

6340 – Back C
Alternate Builds Classic Town Fire Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6340 – Back C

6262 – Back C
Alternate Builds Instructions Added Islanders Pirates Pirates Alternate Builds Pirates I Small Alt Build Small Builds 

6262 – Back C

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

1736 – Back B

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

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

920 – Back E

6071 – Inside A
Alternate Builds Castle Castle Alternate Builds Instructions Added Medium Alt Build Medium Builds 

6071 – Inside A

Book 6000 – Page 48-49
Classic Town Idea Book Instructions Added Large Alt Build Large Builds Town 

Book 6000 – Page 48-49

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

6593 – Back D

6989 – Back C
Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added M:Tron M:Tron Alternate Builds 

6989 – Back C

6970 – Inside B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Large Alt Build Large Builds Space 

6970 – Inside B

1704 – Side L
Alternate Builds Bonus/Value Pack Alternate Builds Ice Planet 2002 Ice Planet 2002 Alternate Builds Instructions Added Small Alt Build Small Builds Space 

1704 – Side L

6950 – Inside A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

6950 – Inside A

6781 – Back C
Alternate Builds Instructions Added Medium Alt Build Medium Builds Space Space Police I Space Police I Alternate Builds 

6781 – Back C

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

6454 – Back A

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

6041 – Back A

6544 – Back A
ABCs Alternate Builds Instructions Added Launch Command LEGO Magazine Small Alt Build Small Builds Town Town Alternate Builds 

6544 – Back A

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

720 – Side L

6381 – Back D
Alternate Builds Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6381 – Back D

1526 – Back C
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

1526 – Back C

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

6542 – Back B

6683 – Back B
Alternate Builds Classic Town Food and Drink Instructions Added Small Builds Town Town Alternate Builds 

6683 – Back B

6257 – Back A
Alternate Builds Instructions Added Pirates Pirates Alternate Builds Pirates I Small Alt Build Small Builds 

6257 – Back A

6211 – Back A
Alternate Builds Episode IV/V/VI Instructions Added Large Alt Build Large Builds Star Wars Star Wars Alternate Builds 

6211 – Back A

6881 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6881 – Back A

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

6541 – Back E

7151 – Instructions 1
Alternate Builds Episode I Instructions Added Medium Alt Build Medium Builds Star Wars Star Wars Alternate Builds 

7151 – Instructions 1

4883 – Instructions C
Alternate Builds Designer Sets Designer Sets Alternate Builds Instructions Added Small Alt Build Small Builds 

4883 – Instructions C

Book 250 – Page 42-43
Alternate Instructions Included Castle Castle Alternate Builds Idea Book Instructions Added 

Book 250 – Page 42-43

6257 – Back C
Alternate Builds Instructions Added Pirates Pirates Alternate Builds Pirates I Small Alt Build Small Builds 

6257 – Back C

6135 – Back A
Alternate Builds Aquashark Aquazone Aquazone Alternate Builds Instructions Added Small Alt Build Small Builds 

6135 – Back A

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

1787 – Back C

6561 – Back A
Alternate Builds Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6561 – Back A

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

6357 – Back C

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

6675 – Back D

6834 – Back A
Alternate Builds Ice Planet 2002 Ice Planet 2002 Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6834 – Back A

6235 – Back C
Alternate Builds Instructions Added Pirates Pirates Alternate Builds Pirates I Very Small Alt Build Very Small Builds 

6235 – Back C

6546 – Back B
Alternate Builds Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6546 – Back B

6780 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

6780 – Back B

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

6939 – Back A

Book 200 – Page 50-51
Castle Castle Alternate Builds Classic Space Classic Space Alternate Builds Classic Town Extra Large Alt Build Idea Book Instructions Added Large Alt Build Medium Alt Build Space Town 

Book 200 – Page 50-51

6834 – Back C
Alternate Builds Ice Planet 2002 Ice Planet 2002 Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6834 – Back C

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

6818 – Back A

Book 6000 – Page 74-75
Castle Castle Alternate Builds Classic Space Classic Space Alternate Builds Idea Book Instructions Added Large Alt Build Space 

Book 6000 – Page 74-75

6085 – Inside B
Alternate Builds Black Knights Castle Castle Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added 

6085 – Inside B

6529 – Back A
Airport Alternate Builds Classic Town Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6529 – Back A

6087 – Back B
Alternate Builds Castle Castle Alternate Builds Fright Knights Instructions Added Large Alt Build Large Builds 

6087 – Back B

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

6273 – Back C

6542 – Back F
Alternate Builds Classic Town Harbor Instructions Added Large Alt Build Large Builds Town Town Alternate Builds 

6542 – Back F

6871 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6871 – Back B

6581 – Back A
Alternate Builds Classic Town Construction Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6581 – Back A

6941 – Inside B
Alternate Builds Blacktron Blacktron Alternate Builds Instructions Added Large Alt Build Large Builds Space 

6941 – Inside B

6340 – Back A
Alternate Builds Classic Town Fire Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6340 – Back A

6833 – Back C
Alternate Builds Instructions Added M:Tron M:Tron Alternate Builds Space Very Small Alt Build Very Small Builds 

6833 – Back C

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

194 – Back C

6804 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Very Small Alt Build Very Small Builds 

6804 – Back A

6594 – Back D
Alternate Builds Classic Town Gas Station Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6594 – Back D

4883 – Instructions G
Alternate Builds Designer Sets Designer Sets Alternate Builds Instructions Added Small Alt Build Small Builds 

4883 – Instructions G

Book 6000 – Page 10-11
Classic Town Idea Book Instructions Added Medium Alt Build Town 

Book 6000 – Page 10-11

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

6086 – Inside A

EXPLORE MORE OFFICIAL SETS

6009: Black Knight
Black Knights Castle Castle Sets Official Sets Very Small Builds 

6009: Black Knight

April 9, 2020April 9, 2020 Master Builder

Year Released: 1992Bricklink

7708: Uplink
Exo-Force Official Sets Small Builds 

7708: Uplink

August 11, 2023August 11, 2023 Master Builder
6405: Sunset Stables
Medium Builds Official Sets Paradisa Town Town Sets 

6405: Sunset Stables

September 15, 2022September 15, 2022 Master Builder
6667: Pothole Patcher
Classic Town Official Sets Small Builds Town Town Sets Traffic 

6667: Pothole Patcher

November 19, 2020November 19, 2020 Master Builder
928 (497): Galaxy Explorer
ABCs Classic Space Classic Space Sets Different Box Versions Different Set Numbers Jens Nygaard Knudsen Large Builds LL Link Official Sets Space 

928 (497): Galaxy Explorer

November 24, 2020August 15, 2024 Master Builder
6827: Strata Scooter
Classic Space Classic Space Sets Official Sets Space Very Small Builds 

6827: Strata Scooter

October 13, 2021October 13, 2021 Master Builder
6558: Shark Cage Cove
Divers Medium Builds Official Sets Town Town Sets 

6558: Shark Cage Cove

December 29, 2021December 29, 2021 Master Builder
6765: Gold City Junction
Jørn Thomsen Large Builds Official Sets Western Western Sets 

6765: Gold City Junction

November 10, 2019July 29, 2023 Master Builder
6509: Red Devil Racer
Classic Town Official Sets Small Builds Town Town Sets Traffic 

6509: Red Devil Racer

October 12, 2021October 12, 2021 Master Builder
886: Space Buggy
Classic Space Classic Space Sets Official Sets Space Very Small Builds 

886: Space Buggy

January 25, 2024March 2, 2026 Master Builder
6990: Futuron Monorail Transport System
ABCs Bjarne Tveskov Extra Large Builds Futron Sets Futuron Official Sets Space 

6990: Futuron Monorail Transport System

August 30, 2020February 12, 2025 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
6955: Space Lock-Up Isolation Base
Box Marketing Blurb Large Builds Official Sets Space Space Police I Space Police I Sets 

6955: Space Lock-Up Isolation Base

February 3, 2021April 3, 2024 Master Builder
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
6783: Sonar Transmitting Cruiser
ABCs Classic Space Classic Space Sets Large Builds Official Sets Space 

6783: Sonar Transmitting Cruiser

May 8, 2022August 15, 2023 Master Builder
2532: Aircraft and Ground Crew
Airport Classic Town Medium Builds Official Sets Town Town Sets 

2532: Aircraft and Ground Crew

December 28, 2021December 28, 2021 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
  • BATMAN
  • Bionicle
  • Belville
  • Building Set with People
  • Castle
  • Duplo
  • Fabuland
  • Harry Potter
  • Holiday and Event
  • LEGOLAND
  • Model Team
  • Pirates
  • Space
  • Star Wars
  • Technic
  • Train
  • 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.