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

379 – Back A
Alternate Builds Classic Town Medium Builds Town Town Alternate Builds Traffic 

379 – Back A

April 10, 2021April 10, 2021 Master Builder
6180 – Back B
Alternate Builds Aquazone Aquazone Alternate Builds Hydronauts Medium Builds 

6180 – Back B

February 18, 2025February 18, 2025 Master Builder
6529 – Back B
Airport Alternate Builds Classic Town Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6529 – Back B

April 11, 2023May 17, 2023 Master Builder
7783 – Instructions B
Alternate Builds Batman I BATMAN™ BATMAN™ Alternate Builds Extra Large Builds 

7783 – Instructions B

March 27, 2026March 27, 2026 Master Builder
6985 – Inside B
Alternate Builds Classic Space Classic Space Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added Space 

6985 – Inside B

September 28, 2019November 18, 2021 Master Builder
6369 – Back E
Alternate Builds Classic Town Medium Builds Town Town Alternate Builds Traffic 

6369 – Back E

December 1, 2023December 2, 2023 Master Builder
4883 – Instructions E
Alternate Builds Designer Sets Designer Sets Alternate Builds Instructions Added Small Alt Build Small Builds 

4883 – Instructions E

August 2, 2021August 28, 2024 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

7255 – Back B
Alternate Builds Episode III Small Builds Star Wars Star Wars Alternate Builds 

7255 – Back B

March 2, 2023March 3, 2023 Master Builder

From: 7255: General Grievous ChaseName: TBDSubmitted by: USERInstructions:

HARRY POTTERView All

4733 – Back B
Alternate Builds Chamber of Secrets Harry Potter Harry Potter Alternate Builds Small Builds 

4733 – Back B

March 3, 2023March 3, 2023 Master Builder

From: 4733: The Dueling ClubName: TBDSubmitted by: USERInstructions:

INSTRUCTIONS ADDEDView All

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

1731 – Back C

4702 – Back B
Alternate Builds Harry Potter Harry Potter Alternate Builds Instructions Added Small Alt Build Small Builds Sorcerer's Stone 

4702 – Back B

6541 – Back F
Alternate Builds Classic Town Harbor Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6541 – Back F

7140 – Back A
Alternate Builds Instructions Added Large Alt Build Large Builds Star Wars Star Wars Alternate Builds 

7140 – Back A

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

4883 – Instructions G

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

194 – Back B

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

6513 – Back B

6755 – Back C
Alternate Builds Cowboys Instructions Added Medium Alt Build Medium Builds Western Western Alternate Builds 

6755 – Back C

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

6454 – Back B

6483 – Back C
Alternate Builds Classic Town Instructions Added Medium Alt Build Medium Builds Police Town Town Alternate Builds 

6483 – Back C

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

894 – Back E

6641 – Back E
Alternate Builds Classic Town Instructions Added Off-Road Small Alt Build Small Builds Town Town Alternate Builds 

6641 – Back E

6664 – Back C
Alternate Builds Classic Town Instructions Added Police Small Alt Build Small Builds Town Town Alternate Builds 

6664 – Back C

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

6673 – Back D

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

6750 – Back A

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

6889 – Back B

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

607 – Back B

6694 – Back D
Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds Traffic 

6694 – Back D

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

Book 6000 – Page 78-79

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

6988 – Back A

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

6975 – Back B

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

6542 – Back G

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

6970 – Inside B

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

6260 – Back A

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

6067 – Inside A

6886 – Back A
Alternate Builds Instructions Added Small Alt Build Small Builds Space Space Police I Space Police I Alternate Builds 

6886 – Back A

7115 – Back B
Alternate Builds Episode I Instructions Added Small Alt Build Small Builds Star Wars Star Wars Alternate Builds 

7115 – Back B

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

6808 – Back C

6510 – Back A
Alternate Builds Instructions Added Race Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6510 – Back A

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

4708 – 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

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

6021 – Back B

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

6940 – Back A

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

6675 – Back D

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

6836 – Back B

6236 – Back A
Alternate Builds Instructions Added Islanders Pirates Pirates Alternate Builds Pirates I Very Small Alt Build Very Small Builds 

6236 – Back A

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

6264 – Back C

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

6615 – 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

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

6580 – Back B

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

6879 – Back A

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

6380 – Back A

1491 – Back A
Alternate Builds Black Knights Castle Castle Alternate Builds Instructions Added Small Alt Build Small Builds 

1491 – Back A

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

8369 – Inside A

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

6037 – 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

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

6872 – Back D

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

1785 – Back B

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

6895 – Back B

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

6594 – Back A

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

6949 – Back C

6886 – Back B
Alternate Builds Instructions Added Medium Alt Build Medium Builds Space Space Police I Space Police I Alternate Builds 

6886 – Back B

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

6804 – Back B

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

6953 – Back C

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

6881 – Back D

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

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

4883 – Instructions C

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

6082 – Back D

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

6841 – Back C

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

6879 – Back C

6055 – Bottom
Alternate Builds Castle Castle Alternate Builds Instructions Added Lion Knights Small Alt Build Small Builds 

6055 – Bottom

6061 – Inside A
Alternate Builds Castle Castle Alternate Builds Instructions Added Lion Knights Medium Alt Build Medium Builds 

6061 – Inside A

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

6348 – Back D

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

6086 – Inside B

6076 – Back B
Alternate Builds Castle Castle Alternate Builds Dragon Knights Instructions Added Medium Alt Build Medium Builds 

6076 – Back B

6670 – Back B
Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds Wrecker 

6670 – Back B

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

Book 7777 – Page 22-23

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

6021 – Back A

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

6262 – Back C

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

6542 – 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

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

6262 – Back B

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

6826 – Back C

6080 – Back C
Alternate Builds Castle Castle Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added 

6080 – Back C

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

6891 – Back A

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

6430 – Back B

6071 – Back C
Alternate Builds Castle Castle Alternate Builds Instructions Added Medium Alt Build Medium Builds 

6071 – Back C

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

6018 – Back A

6852 – Back C
Alternate Builds Instructions Added Small Alt Build Small Builds Space Space Police II Space Police II Alternate Builds 

6852 – Back C

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

897 – Back B

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

920 – Back B

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

6649 – Back C

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

6933 – Back A

6829 – Back B
Alternate Builds Instructions Added Small Alt Build Small Builds Space UFO UFO Alternate Builds 

6829 – Back B

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

8369 – Inside D

7101 – Back A
Alternate Builds Instructions Added Small Alt Build Small Builds Star Wars Star Wars Alternate Builds 

7101 – Back A

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

6667 – Back A

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

Book 200 – Page 30-31

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

6685 – Back B

6890 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

6890 – Back B

920 – Back F
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

920 – Back F

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

Book 6000 – Page 24-25

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

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

6675 – Back A

Book 7777 – Cover
Idea Book Instructions Added Race Town Train 

Book 7777 – Cover

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

6940 – Back B

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

6262 – Back A

6646 – Back A
Alternate Builds Classic Town Instructions Added Race Small Alt Build Small Builds Town Town Alternate Builds 

6646 – Back A

6739 – Back B
Alternate Builds Alternate Instructions Included Instructions Added Island Xtreme Stunts Island Xtreme Stunts Alternate Builds Small Alt Build Small Builds 

6739 – Back B

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

6077-2 – Back C

EXPLORE MORE OFFICIAL SETS

9401: M:Tron Team
Bonus/Value Pack Sets Bonus/Value Packs M:Tron M:Tron Sets Official Sets Space Very Small Builds 

9401: M:Tron Team

February 18, 2026March 7, 2026 Master Builder

Year Released: 1993 Summer Shop at Home 1993 Summer Shop at Home – Page 24-25

1704: {Unknown – Ice Planet Satellite Plow ?}
Bonus/Value Pack Sets Classic Town Fire Ice Planet 2002 Ice Planet 2002 Sets Official Sets Small Builds Space Town 

1704: {Unknown – Ice Planet Satellite Plow ?}

September 6, 2023September 7, 2023 Master Builder
6245: Harbor Sentry
Imperial Soldiers Niels Milan Pedersen Official Sets Pirates Pirates I Pirates Sets Very Small Builds 

6245: Harbor Sentry

July 13, 2021July 29, 2023 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
6067: Guarded Inn
Castle Castle Sets Daniel August Krentz Large Builds Lion Knights Official Sets 

6067: Guarded Inn

February 9, 2021July 29, 2023 Master Builder
1702: Fire Fighter 4 x 4
Bonus/Value Pack Sets Classic Town Fire Ice Planet 2002 Ice Planet 2002 Sets Official Sets Small Builds Space Town 

1702: Fire Fighter 4 x 4

September 6, 2023September 7, 2023 Master Builder
6877: Vector Detector
ABCs M:Tron M:Tron Sets Official Sets Small Builds Space 

6877: Vector Detector

June 7, 2021October 14, 2024 Master Builder
6057: Sea Serpent
Black Knights Castle Castle Sets Medium Builds Official Sets 

6057: Sea Serpent

April 14, 2025April 14, 2025 Master Builder
7700: Stealth Hunter
ABCs Exo-Force Exo-Force Sets Medium Builds Official Sets 

7700: Stealth Hunter

March 26, 2026March 26, 2026 Master Builder
7204: Jedi Defense II
Episode I Official Sets Star Wars Star Wars Sets Very Small Builds 

7204: Jedi Defense II

June 27, 2022June 27, 2022 Master Builder
6770: Lunar Transporter Patroller
Futron Sets Futuron Medium Builds Official Sets Space 

6770: Lunar Transporter Patroller

September 11, 2023September 11, 2023 Master Builder
4593: Zero Hurricane & Red Blizzard
Drome Racers Official Sets Racers Small Builds 

4593: Zero Hurricane & Red Blizzard

January 27, 2025February 21, 2025 Master Builder
6809: XT-5 and Droid
Classic Space Classic Space Sets Official Sets Very Small Builds 

6809: XT-5 and Droid

April 4, 2020April 4, 2020 Master Builder
1974-4: Star Quest
Bonus/Value Pack Sets Futron Sets Futuron Official Sets Small Builds Space 

1974-4: Star Quest

September 7, 2023September 8, 2023 Master Builder
1720: Cactus Canyon Value Pack
Bonus/Value Pack Sets Bonus/Value Packs Classic Town Official Sets Recreation Small Builds Town 

1720: Cactus Canyon Value Pack

April 14, 2026April 14, 2026 Master Builder
6813: Galactic Chief
Jørn Thomsen Official Sets Space Space Police II Space Police II Sets Very Small Builds 

6813: Galactic Chief

April 8, 2020July 29, 2023 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.