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

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

6986 – Back D

April 21, 2023May 31, 2023 Master Builder
6694 – Back C
Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds Traffic 

6694 – Back C

May 31, 2022June 1, 2022 Master Builder
6115 – Back A
Alternate Builds Aquashark Aquazone Aquazone Alternate Builds Instructions Added Very Small Alt Build Very Small Builds 

6115 – Back A

March 20, 2023March 21, 2023 Master Builder
6790 – Back A
Alternate Builds Cowboys Instructions Added Very Small Alt Build Very Small Builds Western Western Alternate Builds 

6790 – Back A

October 5, 2023October 10, 2023 Master Builder
6066 – Back B
Alternate Builds Castle Castle Alternate Builds Forestmen Instructions Added Medium Alt Build Medium Builds 

6066 – Back B

September 24, 2023October 6, 2023 Master Builder
6850 – Back B
Alternate Builds Futuron Futuron Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6850 – Back B

September 24, 2019March 14, 2025 Master Builder
4591 – Back A
Alternate Builds Drome Racers Instructions Added Racers Racers Alternate Builds Small Alt Build Very Small Alt Build Very Small Builds 

4591 – Back A

February 21, 2025February 21, 2025 Master Builder

NEW INSTRUCTIONS ADDED!View All

  • 4563 – Back A
    Alternate Builds Instructions Added Large Alt Build Large Builds Train Train Alternate Builds 

    4563 – Back A

  • 6900 – Back B
    Alternate Builds Instructions Added Medium Alt Build Medium Builds Space UFO UFO Alternate Builds 

    6900 – Back B

  • 6348 – Back E
    Alternate Builds Classic Town Instructions Added Police Town Town Alternate Builds Very Small Alt Build Very Small Builds 

    6348 – Back E

  • 6348 – Back D
    Alternate Builds Classic Town Instructions Added Medium Alt Build Medium Builds Police Town Town Alternate Builds 

    6348 – Back D

  • 7779 – Instructions B
    Alternate Builds Batman I BATMAN™ BATMAN™ Alternate Builds Instructions Added Medium Alt Build Small Alt Build Small Builds 

    7779 – Instructions B

4563 – Back A4563 – Back A6900 – Back B6900 – Back B6348 – Back E6348 – Back E6348 – Back D6348 – Back D7779 – Instructions B7779 – Instructions B

NEW OFFICIAL SETS ADDED!View All

4536: Blue Hopper Car
9V Medium Builds Official Sets Train Train Sets 

4536: Blue Hopper Car

July 10, 2026July 10, 2026 Master Builder

Year Released: 1991InstructionsBricklink

6470: Mini-dumper
Construction Official Sets Town Town Jr Town Sets Very Small Builds 

6470: Mini-dumper

July 10, 2026July 10, 2026 Master Builder

Year Released: 2000InstructionsBricklink

4557: Freight Loading Station
9V Medium Builds Official Sets Town Train Train Sets 

4557: Freight Loading Station

July 10, 2026July 10, 2026 Master Builder

Year Released: 1999InstructionsBricklink

NEW ALTERNATE BUILDS ADDED!View All

4536 – Back C
Alternate Builds Medium Builds Train Train Alternate Builds 

4536 – Back C

July 10, 2026July 10, 2026 Master Builder
4536 – Back B
Alternate Builds Medium Builds Train Train Alternate Builds 

4536 – Back B

July 10, 2026July 10, 2026 Master Builder
4536 – Back A
Alternate Builds Medium Builds Train Train Alternate Builds 

4536 – Back A

July 10, 2026July 10, 2026 Master Builder
6470 – Back A
Alternate Builds Construction Town Town Alternate Builds Town Jr Very Small Builds 

6470 – Back A

July 10, 2026July 10, 2026 Master Builder
4557 – Back A
Alternate Builds Medium Builds Train Train Alternate Builds 

4557 – Back A

July 10, 2026July 10, 2026 Master Builder
6423 – Back A
Alternate Builds Town Town Alternate Builds Town Jr Very Small Builds Wrecker 

6423 – Back A

July 10, 2026July 10, 2026 Master Builder
6462 – Back C
Alternate Builds Medium Builds Res-Q Town Town Alternate Builds 

6462 – Back C

July 10, 2026July 10, 2026 Master Builder
6462 – Back B
Alternate Builds Medium Builds Res-Q Town Town Alternate Builds 

6462 – Back B

July 10, 2026July 10, 2026 Master Builder
6462 – Back A
Alternate Builds Medium Builds Res-Q Town Town Alternate Builds 

6462 – Back A

July 10, 2026July 10, 2026 Master Builder
4563 – Back A
Alternate Builds Instructions Added Large Alt Build Large Builds Train Train Alternate Builds 

4563 – Back A

June 26, 2026July 6, 2026 Master Builder

STAR WARSView All

7128 – Back A
Alternate Builds Episode IV/V/VI Instructions Added Small Alt Build Small Builds Star Wars Star Wars Alternate Builds 

7128 – Back A

April 8, 2026April 18, 2026 Master Builder

From: 7128: Speeder BikesName: TBD Instructions: View PDF | Download .io File

HARRY POTTERView All

4762 – Back A
Alternate Builds Goblet of Fire Harry Potter Harry Potter Alternate Builds Medium Builds 

4762 – Back A

May 16, 2023May 16, 2023 Master Builder

From: 4762: Rescue from the MerpeopleName: TBDSubmitted by: USERInstructions:

INSTRUCTIONS ADDEDView All

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

6265 – Back D

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

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

6780 – Back C

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

6955 – Back C

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

6846 – Back C

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

6648 – Back C

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

1526 – Back C

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

6340 – Back B

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

1731 – Back B

6932 – Back A
Alternate Builds Futuron Futuron Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

6932 – Back A

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

Book 6000 – Page 14-15
Classic Town Idea Book Instructions Added Medium Alt Build Town 

Book 6000 – Page 14-15

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

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

6444 – Back C

Book 6000 – Page 26-27
Classic Town Idea Book Instructions Added Medium Alt Build Town 

Book 6000 – Page 26-27

Book 6000 – Page 38-39
Classic Town Idea Book Instructions Added Town 

Book 6000 – Page 38-39

Book 7777 – Page 22-23
Idea Book Instructions Added Race Town Train 

Book 7777 – Page 22-23

6861 – Back D
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6861 – Back D

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

6896 – Back B

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

6394 – Back C

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

6698 – Back D

6066 – Inside A
Alternate Builds Castle Castle Alternate Builds Forestmen Instructions Added Medium Alt Build Medium Builds 

6066 – Inside A

6341 – Back A
Airport Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6341 – Back A

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

920 – Back G

6552 – Back F
Alternate Builds Classic Town Instructions Added Medium Builds Recreation Town Town Alternate Builds 

6552 – Back F

6900 – Back B
Alternate Builds Instructions Added Medium Alt Build Medium Builds Space UFO UFO Alternate Builds 

6900 – Back B

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

6021 – Back B

6824 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

6824 – Back B

6851 – Back B
Alternate Builds Blacktron II Blacktron II Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

6851 – Back B

6844 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6844 – Back A

6390 – Back E
Alternate Builds Classic Town Extra Large Alt Build Extra Large Builds Instructions Added Town Town Alternate Builds Traffic 

6390 – Back E

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

6939 – Back B

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

6541 – Back D

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

6955 – Back A

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

6562 – Back D

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

1916 (3015) – Back A

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

6971 – Back A

4593 – Instructions A
Alternate Builds Drome Racers Instructions Added Racers Racers Alternate Builds Small Alt Build Small Builds 

4593 – Instructions A

6986 – Back C
Alternate Builds Instructions Added Medium Alt Build Medium Builds Space Space Police I Space Police I Alternate Builds 

6986 – Back C

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

6823 – Back B

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

886 – Back B

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

6273 – Back B

7725 – Inside A
Alternate Builds Instructions Added Medium Alt Build Medium Builds Train Train Alternate Builds 

7725 – Inside A

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

6831 – Back B

6012 – Back A
Alternate Builds Castle Castle Alternate Builds Instructions Added Lion Knights Very Small Alt Build Very Small Builds 

6012 – Back A

6812 – Back B
Alternate Builds Blacktron II Blacktron II Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

6812 – Back B

Book 250 – Page 12-13
Alternate Instructions Included Basic Basic Alternate Builds Classic Town Idea Book Instructions Added Town 

Book 250 – Page 12-13

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

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

6939 – Back C

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

6454 – Back B

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

6854 – Back C

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

6871 – Back D

7124 – Back A
Alternate Builds Instructions Added Small Alt Build Small Builds Star Wars Star Wars Alternate Builds 

7124 – Back A

6260 – Back C
Alternate Builds Instructions Added Pirates Pirates Alternate Builds Pirates I Small Alt Build Small Builds 

6260 – Back C

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

6876 – Back A
Alternate Builds Blacktron Blacktron Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6876 – Back A

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

6039 – Back A

6430 – Back C
Alternate Builds Classic Town Instructions Added Police Small Alt Build Small Builds Town Town Alternate Builds 

6430 – Back C

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

1732 – Back B

6073 – Inside A
Alternate Builds Castle Castle Alternate Builds Instructions Added Small Alt Build Small Builds 

6073 – Inside A

Book 6000 – Page 78-79
Castle Castle Alternate Builds Idea Book Instructions Added Large Alt Build Large Builds 

Book 6000 – Page 78-79

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

6832 – Back B

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

6615 – Back A

6877 – Back C
Alternate Builds Instructions Added M:Tron M:Tron Alternate Builds Small Alt Build Small Builds Space 

6877 – Back C

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

6923 – Back A

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

4883 – Instructions G

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

6780 – Back E

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

6593 – Back E

6940 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Medium Alt Build Medium Builds 

6940 – Back B

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

8369 – Inside D

6358 – Back B
Alternate Builds Classic Town Fire Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6358 – Back B

6036 – Back A
Castle Castle Alternate Builds Instructions Added Royal Knights Small Alt Build Small Builds 

6036 – Back A

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

6340 – Back C

6845 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6845 – Back A

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

6506 – Back C

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

Book 6000 – Page 18-19
Classic Town Idea Book Instructions Added Medium Alt Build Town 

Book 6000 – Page 18-19

6848 – Back C
Alternate Builds Duplicate Alternate Number Futuron Futuron Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6848 – Back C

Book 260 – Page 30-31
Alternate Instructions Included Castle Castle Alternate Builds Extra Large Alt Build Idea Book Instructions Added Large Alt Build Medium Alt Build 

Book 260 – Page 30-31

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

6373 – Back C

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

6667 – Back B

6358 – Back C
Alternate Builds Classic Town Fire Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6358 – Back C

6346 – Back A
Airport Alternate Builds Classic Town Instructions Added Large Alt Build Large Builds Town Town Alternate Builds 

6346 – Back A

1680 – Back B
Alternate Builds Castle Castle Alternate Builds Forestmen Instructions Added Very Small Alt Build Very Small Builds 

1680 – Back B

6020 – Back B
Alternate Builds Castle Castle Alternate Builds Dragon Knights Instructions Added Small Alt Build Small Builds 

6020 – Back B

Book 250 – Page 46-47
Alternate Instructions Included Castle Castle Alternate Builds Idea Book Instructions Added 

Book 250 – Page 46-47

6375 – Back B
Alternate Builds Cargo Classic Town Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6375 – Back B

7180 – Instructions 4
Alternate Builds Alternate Instructions Included Episode IV/V/VI Instructions Added Medium Alt Build Medium Builds Star Wars Star Wars Alternate Builds 

7180 – Instructions 4

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

6989 – Back B

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

6035 – Back B

Book 6000 – Page 82-83
Castle Castle Alternate Builds Classic Space Classic Space Alternate Builds Idea Book Instructions Added Large Alt Build Large Builds Space 

Book 6000 – Page 82-83

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

6814 – Back A

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

6356 – Back D

6484 – Back E
Alternate Builds Classic Town Instructions Added Race Small Alt Build Small Builds Town Town Alternate Builds 

6484 – Back E

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

6100 – Back B
Alternate Builds Aquashark Aquazone Aquazone Alternate Builds Instructions Added Very Small Alt Build Very Small Builds 

6100 – Back B

6954 – Inside A
Alternate Builds Blacktron Blacktron Alternate Builds Instructions Added Large Alt Build Large Builds Space 

6954 – Inside A

6669 – Back B
Alternate Builds Classic Town Instructions Added Race Small Alt Build Small Builds Town Town Alternate Builds 

6669 – Back B

6061 – Back C
Alternate Builds Castle Castle Alternate Builds Instructions Added Lion Knights Medium Alt Build Medium Builds 

6061 – Back C

EXPLORE MORE OFFICIAL SETS

7257: Ultimate Lightsaber Duel
Episode III Large Builds Official Sets Star Wars Star Wars Sets 

7257: Ultimate Lightsaber Duel

March 1, 2023March 1, 2023 Master Builder

Year Released: 2005BricklinkInstructions

6250: Cross Bone Clipper
Medium Builds Official Sets Pirates Pirates I Pirates Sets 

6250: Cross Bone Clipper

February 20, 2025February 20, 2025 Master Builder
305: Two Crater Plates
Classic Space Classic Space Sets Official Sets Space Supplemental 

305: Two Crater Plates

March 6, 2026March 6, 2026 Master Builder
6952: Solar Power Transporter
ABCs Classic Space Classic Space Sets Large Builds Official Sets 

6952: Solar Power Transporter

September 22, 2019March 20, 2025 Master Builder
7203: Jedi Defense I
Episode I Official Sets Star Wars Star Wars Sets Very Small Builds 

7203: Jedi Defense I

June 27, 2022June 27, 2022 Master Builder
607: Mini Loader
Classic Town Construction Official Sets Town Town Sets Very Small Builds 

607: Mini Loader

October 19, 2019April 4, 2020 Master Builder
4723: Diagon Alley Shops
Box Plus Harry Potter Harry Potter Sets Official Sets Playscape/Play Stage Box Small Builds Sorcerer's Stone 

4723: Diagon Alley Shops

July 10, 2024October 8, 2024 Master Builder
6958: Android Base
Exploriens Exploriens Sets Large Builds Official Sets 

6958: Android Base

November 9, 2019April 16, 2021 Master Builder
6980: Galaxy Commander
Classic Space Classic Space Sets Extra Large Builds Official Sets Space 

6980: Galaxy Commander

July 21, 2021July 21, 2021 Master Builder
6399: Airport Shuttle
Airport Classic Town Different Box Versions Extra Large Builds Official Sets Town Town Sets 

6399: Airport Shuttle

February 24, 2023March 17, 2024 Master Builder
6395: Victory Lap Raceway
Extra Large Builds Official Sets Race Town Town Sets 

6395: Victory Lap Raceway

July 1, 2022July 1, 2022 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
6848: Interplanetary Shuttle
Classic Space Classic Space Sets Duplicate Set Number Official Sets Small Builds Space 

6848: Interplanetary Shuttle

March 11, 2024March 11, 2024 Master Builder
1621: Lunar MPV Vehicle
Bonus/Value Pack Sets Futron Sets Futuron Jørn Thomsen Official Sets Small Builds Space 

1621: Lunar MPV Vehicle

September 6, 2023September 7, 2023 Master Builder
6087: Witch’s Magic Manor
Castle Castle Sets Fright Knights Large Builds Official Sets 

6087: Witch’s Magic Manor

July 8, 2022July 8, 2022 Master Builder
6232: Skeleton Crew
Official Sets Pirates Pirates I Pirates Sets Very Small Builds 

6232: Skeleton Crew

July 13, 2021July 13, 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.