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

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

8369 – Inside D

November 13, 2024November 13, 2024 Master Builder
6562 – Back B
Alternate Builds Classic Town Gas Station Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6562 – Back B

August 31, 2022September 19, 2022 Master Builder
6501 – Back B
Alternate Builds Classic Town Town Town Alternate Builds Traffic Very Small Builds 

6501 – Back B

July 8, 2022July 8, 2022 Master Builder
6368 – Back D
Airport Alternate Builds Classic Town Small Builds Town Town Alternate Builds 

6368 – Back D

January 21, 2021January 21, 2021 Master Builder
6379 – Back C
Alternate Builds Building Classic Town Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6379 – Back C

August 1, 2022May 17, 2023 Master Builder
770 – Instructions A
Alternate Builds Hospital LEGOLAND LEGOLAND Alternate Builds Small Builds 

770 – Instructions A

September 15, 2022February 9, 2024 Master Builder
7134 – Back A
Alternate Builds Episode IV/V/VI Small Builds Star Wars Star Wars Alternate Builds 

7134 – Back A

December 29, 2021December 29, 2021 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

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

February 9, 2025February 13, 2025 Master Builder

From: 6211: Imperial Star DestroyerName: 6211-B1Instructions: View PDF (Instructions by LEGO)

HARRY POTTERView All

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

4708 – Back A

August 1, 2024August 8, 2024 Master Builder

From: 4708: Hogwarts ExpressName: Little Engine Instructions: View PDF | Download .io File

INSTRUCTIONS ADDEDView All

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

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

6402 – Back C

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

6552 – Back D

BrickJournal Issue 6 Volume 2 Page 40 – Proto 1
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 1

6925 – Back C
Alternate Builds Futuron Futuron Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

6925 – Back C

5580 – Back A
Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added Model Team Model Team Alternate Builds 

5580 – Back A

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

6832 – Back C

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

6861 – Back B

6613 – Back A
Alternate Builds Classic Town Instructions Added Town Town Alternate Builds Traffic Very Small Alt Build Very Small Builds 

6613 – Back A

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

6087 – Back B

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

6062 – Back D

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

4563 – Back A

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

6037 – Back B

6590 – Back C
Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds Traffic 

6590 – Back C

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

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

6155 – Back A

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

6973 – Back C

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

6941 – Inside B

4719 – Back A
Alternate Builds Chamber of Secrets Harry Potter Harry Potter Alternate Builds Instructions Added Small Alt Build Small Builds 

4719 – Back A

6264 – Back C
Alternate Builds Instructions Added Islanders Medium Alt Build Medium Builds Pirates Pirates Alternate Builds Pirates I 

6264 – Back C

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

6826 – Back C

6884 – Back D
Alternate Builds Futuron Futuron Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6884 – Back D

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

6260 – Back D

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

6938 – Back A

6246 – Back B
Alternate Builds Instructions Added Islanders Pirates Pirates Alternate Builds Pirates I Small Alt Build Small Builds 

6246 – Back B

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

928 – Back G

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

6815 – Back C

6077-2 – Back A
Alternate Builds Castle Castle Alternate Builds Instructions Added Large Alt Build Large Builds 

6077-2 – Back A

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

6035 – Back D

7110 – Back A
Alternate Builds Episode IV/V/VI Instructions Added Small Alt Build Small Builds Star Wars Star Wars Alternate Builds 

7110 – Back A

7161 – Back B
Alternate Builds Instructions Added Medium Alt Build Medium Builds Star Wars Star Wars Alternate Builds 

7161 – Back B

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

6237 – Back A

6062 – Back C
ABCs Alternate Builds Black Falcons Castle Castle Alternate Builds Instructions Added Small Alt Build Small Builds 

6062 – Back C

6884 – Back C
Alternate Builds Futuron Futuron Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6884 – Back C

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

1785 – Back A

Bjarne Tveskov’s Eagle
Bjarne Tveskov Classic Space Classic Space Alternate Builds Instructions Added Medium Alt Build Medium Builds Space Special 

Bjarne Tveskov’s Eagle

6750 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds 

6750 – Back 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

7161 – Back A
Alternate Builds Instructions Added Medium Alt Build Medium Builds Star Wars Star Wars Alternate Builds 

7161 – Back A

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

6370 – Back B

Book 250 – Page 40-41
Castle Castle Alternate Builds Idea Book Instructions Added Medium Alt Build Medium Builds 

Book 250 – Page 40-41

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

6593 – Back E

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

6357 – Back C

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

6512 – Back C

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

6938 – Back D

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

6394 – Back C

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

6357 – Back B

6541 – Back A
Alternate Builds Classic Town Extra Large Alt Build Extra Large Builds Harbor Instructions Added Town Town Alternate Builds 

6541 – Back A

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

6562 – Back B

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

6808 – Back A

6985 – Back D
Alternate Builds Classic Space Classic Space Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added Space 

6985 – Back D

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

6848 – Back B

6046 – Back A
Alternate Builds Castle Castle Alternate Builds Dark Forest Instructions Added Medium Alt Build Medium Builds 

6046 – Back A

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

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

6512 – Back B

1793 – Back B
Alternate Builds Instructions Added Large Alt Build Large Builds Space Unitron Unitron Alternate Builds 

1793 – Back B

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

720 – Instructions B

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

6020 – Back A

6985 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added Space 

6985 – Back B

6062 – Back B
Alternate Builds Black Falcons Castle Castle Alternate Builds Instructions Added Small Alt Build Small Builds 

6062 – Back B

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

6951 – Back C

6884 – Back B
Alternate Builds Futuron Futuron Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6884 – Back B

7150 – Instructions 2
Alternate Builds Instructions Added Medium Alt Build Medium Builds Star Wars Star Wars Alternate Builds 

7150 – Instructions 2

6067 – Inside A
Alternate Builds Castle Castle Alternate Builds Instructions Added Lion Knights Medium Alt Build Medium Builds 

6067 – Inside A

6668 – Back D
Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds Traffic 

6668 – Back D

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

6085 – Inside B

7161 – Back C
Alternate Builds Instructions Added Large Alt Build Large Builds Star Wars Star Wars Alternate Builds 

7161 – Back C

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

6273 – 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

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

6673 – Back C

6613 – Back B
Alternate Builds Classic Town Instructions Added Town Town Alternate Builds Traffic Very Small Alt Build Very Small Builds 

6613 – Back B

6880 – Back C
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6880 – Back C

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

6581 – Back B

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

6357 – Back A

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

897 – Back C

6716 – Back D
Alternate Builds Cowboys Instructions Added Very Small Alt Build Very Small Builds Western Western Alternate Builds 

6716 – Back D

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

6878 – Back B

Book 260 – Page 36-37
Extra Large Alt Build Extra Large Builds Idea Book Instructions Added Pirates Pirates Alternate Builds 

Book 260 – Page 36-37

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

6854 – Back C

6264 – Back B
Alternate Builds Instructions Added Islanders Medium Alt Build Medium Builds Pirates Pirates Alternate Builds Pirates I 

6264 – Back B

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

6512 – Back A

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

6594 – Back B

6985 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added Space 

6985 – Back A

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

6357 – Back D

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

6891 – Back B

6884 – Back A
Alternate Builds Futuron Futuron Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6884 – Back A

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

6062 – Back A

6040 – Back A
Alternate Builds Castle Castle Alternate Builds Instructions Added Lion Knights Small Alt Build Small Builds 

6040 – Back A

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

6481 – Back D

6875 – Back B
Alternate Builds Futuron Futuron Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6875 – Back B

550-2 – Back C
Alternate Builds Building Instructions Added LEGOLAND LEGOLAND Alternate Builds Medium Alt Build Medium Builds 

550-2 – Back C

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

4883 – Instructions A

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

6380 – Back B

6889 – Back A
Alternate Builds Instructions Added Medium Alt Build Medium Builds Space Spyrius Spyrius Alternate Builds 

6889 – Back A

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

6685 – Catalog 1

6206 – Back B
Alternate Builds Episode IV/V/VI Instructions Added Medium Alt Build Medium Builds Star Wars Star Wars Alternate Builds 

6206 – Back B

Book 200 – Page 30-31
Alternate Instructions Included Classic Space Classic Space Alternate Builds Idea Book Instructions Added Space 

Book 200 – Page 30-31

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

1731 – Back A

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

5935 – Back A

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

6662 – Back C

EXPLORE MORE OFFICIAL SETS

775: Fire Fighter Ship
Boat Fire Medium Builds Official Sets 

775: Fire Fighter Ship

July 22, 2024July 22, 2024 Master Builder

Year Released: 1978BricklinkInstructions

6280: Armada Flagship
Box Story Imperial Armada Large Builds Official Sets Pirates Pirates I Pirates Sets 

6280: Armada Flagship

July 13, 2021February 20, 2025 Master Builder
6088: Robber’s Retreat
Box Story Large Builds Ninja Ninja Alternate Builds Ninja Official Sets Official Sets 

6088: Robber’s Retreat

January 24, 2022April 3, 2024 Master Builder
6208: B-wing Fighter
Episode IV/V/VI Extra Large Builds Official Sets Star Wars Star Wars Sets 

6208: B-wing Fighter

January 27, 2024January 27, 2024 Master Builder
6883: Terrestrial Rover
Classic Space Classic Space Sets Official Sets Small Builds Space 

6883: Terrestrial Rover

October 22, 2019October 21, 2024 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
6818: Cyborg Scout
Official Sets Small Builds Space UFO UFO Sets 

6818: Cyborg Scout

July 18, 2022July 18, 2022 Master Builder
5975: T-Rex Transport
Adventurers Adventurers Sets Dino Island Official Sets Small Builds 

5975: T-Rex Transport

December 29, 2021December 29, 2021 Master Builder
6402: Sidewalk Cafe
Official Sets Paradisa Town Town Sets Very Small Builds 

6402: Sidewalk Cafe

October 5, 2019January 14, 2021 Master Builder
1912: Car (Set A, 1)
Basic Happy Meal McDonalds Official Sets Polybag Universal Building Set Very Small Builds 

1912: Car (Set A, 1)

April 1, 2025April 1, 2025 Master Builder
6802: Space Probe
Classic Space Classic Space Sets Official Sets Space Very Small Builds 

6802: Space Probe

October 10, 2022October 10, 2022 Master Builder
6261: Raft Raiders
Medium Builds Official Sets Pirates Pirates I Pirates Sets 

6261: Raft Raiders

April 7, 2026April 7, 2026 Master Builder
6988: Alpha Centauri Outpost
Blacktron II Blacktron II Sets Large Builds Official Sets 

6988: Alpha Centauri Outpost

October 24, 2019October 24, 2019 Master Builder
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

January 22, 2021March 14, 2025 Master Builder
7250: Clone Scout Walker
Episode III Medium Builds Official Sets Star Wars Star Wars Sets 

7250: Clone Scout Walker

February 17, 2025February 17, 2025 Master Builder
6258: Smuggler’s Shanty
Official Sets Pirates Pirates I Pirates Sets Small Builds 

6258: Smuggler’s Shanty

July 8, 2022July 8, 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
  • 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.