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
    • 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

6957 – Back C
ABCs Alternate Builds Instructions Added Medium Alt Build Medium Builds Space Space Police II Space Police II Alternate Builds 

6957 – Back C

July 11, 2022December 20, 2023 Master Builder
6384 – Back E
Alternate Builds Classic Town Medium Builds Police Town Town Alternate Builds 

6384 – Back E

December 28, 2021December 28, 2021 Master Builder
6687 – Back B
Airport Alternate Builds Classic Town Small Builds Town Town Alternate Builds 

6687 – Back B

December 27, 2021December 27, 2021 Master Builder
6542 – Back E
Alternate Builds Classic Town Harbor Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6542 – Back E

December 22, 2023January 1, 2024 Master Builder
6361 – Back D
Alternate Builds Classic Town Construction Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6361 – Back D

February 17, 2023February 18, 2023 Master Builder
6970 – Inside D
Alternate Builds Classic Space Classic Space Alternate Builds Large Builds Space 

6970 – Inside D

January 20, 2021January 20, 2021 Master Builder
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

April 16, 2026April 22, 2026 Master Builder

NEW INSTRUCTIONS ADDED!View All

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

    6561 – Back A

  • 2153 – Back B
    Alternate Builds Instructions Added Medium Alt Build Medium Builds Robo Force Robo Force Alternate Builds Space 

    2153 – Back B

  • Book 7777 – Page 74-75
    Extra Large Alt Build Extra Large Builds Idea Book Instructions Added Town Train 

    Book 7777 – Page 74-75

  • 2153 – Back A
    Alternate Builds Instructions Added Large Alt Build Large Builds Robo Force Robo Force Alternate Builds Space 

    2153 – Back A

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

    6641 – Back E

6561 – Back A6561 – Back A2153 – Back B2153 – Back BBook 7777 – Page 74-75Book 7777 – Page 74-752153 – Back A2153 – Back A6641 – Back E6641 – Back E

NEW OFFICIAL SETS ADDED!View All

6579: Ice Surfer
Arctic Medium Builds Official Sets Town Town Sets 

6579: Ice Surfer

May 22, 2026May 22, 2026 Master Builder

Year Released: 2000BricklinkInstructions

6573: Arctic Expedition
Arctic Medium Builds Official Sets Town Town Sets 

6573: Arctic Expedition

May 22, 2026May 22, 2026 Master Builder

Year Released: 2000BricklinkInstructions

4539: Manual Level Crossing
9V Medium Builds Official Sets Town Train Train Sets 

4539: Manual Level Crossing

May 22, 2026May 22, 2026 Master Builder

Year Released: 1991BricklinkInstructions

NEW ALTERNATE BUILDS ADDED!View All

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

6561 – Back A

May 24, 2026June 9, 2026 Master Builder
6579 – Back B
Alternate Builds Arctic Small Builds Town Town Alternate Builds 

6579 – Back B

May 22, 2026May 22, 2026 Master Builder
6579 – Back A
Alternate Builds Arctic Small Builds Town Town Alternate Builds 

6579 – Back A

May 22, 2026May 22, 2026 Master Builder
6573 – Back B
Alternate Builds Arctic Small Builds Town Town Alternate Builds 

6573 – Back B

May 22, 2026May 22, 2026 Master Builder
6573 – Back A
Alternate Builds Arctic Small Builds Town Town Alternate Builds 

6573 – Back A

May 22, 2026May 22, 2026 Master Builder
4539 – Back A
Alternate Builds Medium Builds Train Train Alternate Builds 

4539 – Back A

May 22, 2026May 22, 2026 Master Builder
4532 – Back A
Alternate Builds Medium Builds Train Train Alternate Builds 

4532 – Back A

May 22, 2026May 22, 2026 Master Builder
6377 – Inside B
Alternate Builds Cargo Classic Town Large Builds Town Town Alternate Builds 

6377 – Inside B

May 22, 2026May 22, 2026 Master Builder
6377 – Inside A
Alternate Builds Cargo Classic Town Large Builds Town Town Alternate Builds 

6377 – Inside A

May 22, 2026May 22, 2026 Master Builder
6377 – Back D
Alternate Builds Cargo Classic Town Large Builds Town Town Alternate Builds 

6377 – Back D

May 22, 2026May 22, 2026 Master Builder

STAR WARSView All

7133 – Back A
Alternate Builds Episode II Large Builds Star Wars Star Wars Alternate Builds 

7133 – Back A

July 14, 2021July 14, 2021 Master Builder

From: 7133: Bounty Hunter PursuitName: TBDSubmitted by: USERInstructions:

HARRY POTTERView All

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

4706 – Back B

June 12, 2024June 17, 2024 Master Builder

From: 4706: Forbidden CorridorName: Bridge Trap Instructions: View PDF | Download .io File

INSTRUCTIONS ADDEDView All

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

6641 – Back C

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

6836 – Back B

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

7151 – Instructions 1

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

6829 – Back A

6263 – Back A
Alternate Builds Imperial Guards Instructions Added Medium Alt Build Medium Builds Pirates Pirates Alternate Builds Pirates I 

6263 – Back A

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

6685 – Back A

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

6341 – Back B

1968 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

1968 – Back A

6048 – Back A
Alternate Builds Castle Castle Alternate Builds Dragon Knights Instructions Added Medium Alt Build Medium Builds 

6048 – Back A

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

6878 – Back A

6883 – Back D
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds 

6883 – Back D

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

6358 – Back B

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

550-2 – 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

4709 – Back C
Alternate Builds Extra Large Builds Harry Potter Harry Potter Alternate Builds Instructions Added Sorcerer's Stone 

4709 – Back C

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

6513 – Back A

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

6394 – Back A

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

Book 260 – Page 32-33

2846 – Back A
Alternate Builds Indians Instructions Added Very Small Alt Build Very Small Builds Western Western Alternate Builds 

2846 – Back A

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

6012 – 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

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

6100 – Back B

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

1736 – Back B

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

6876 – Back C

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

6716 – Back A

Book 6000 – Page 66-67
Classic Space Classic Space Alternate Builds Idea Book Instructions Added Large Alt Build Space 

Book 6000 – Page 66-67

6737 – Back B
Alternate Builds Alternate Instructions Included Instructions Added Island Xtreme Stunts Island Xtreme Stunts Alternate Builds Medium Alt Build Medium Builds 

6737 – Back B

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

6878 – Back B

8675 – Back B
Alternate Builds Instructions Added Racers Racers Alternate Builds Radio Control Small Alt Build Small Builds 

8675 – Back B

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

6190 – Back D

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

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

4707 – Back B

720 – Front A
Alternate Builds Basic Instructions Added Large Alt Build Large Builds LEGOLAND Alternate Builds Universal Building Set Universal Building Set Alternate Builds 

720 – Front A

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

6808 – Back A

6381 – Back B
Alternate Builds Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6381 – Back B

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

6832 – Back A

6931 – Inside B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

6931 – Inside B

6361 – Back C
Alternate Builds Classic Town Construction Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6361 – Back C

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

6951 – Back D

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

Book 6000 – Page 38-39

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

6236 – Back B

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

6506 – Back B

6887 – Back B
Alternate Builds Blacktron II Blacktron II Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6887 – Back B

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

6074 – Back C

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

6541 – Back E

6080 – Inside A
Alternate Builds Castle Castle Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added 

6080 – Inside A

1843 – Side R
Bonus/Value Pack Alternate Builds Castle Castle Alternate Builds Instructions Added Official Sets Royal Knights Small Alt Build Small Builds Space Spyrius Spyrius Alternate Builds 

1843 – Side R

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

6669 – Back C

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

6265 – Back A

6244 – Back A
Alternate Builds Imperial Armada Instructions Added Pirates Pirates Alternate Builds Small Alt Build Small Builds 

6244 – Back A

6482 – Back C
Alternate Builds Classic Town Hospital Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6482 – Back C

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

918 – Back E

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

6804 – Back A

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

6402 – Back A

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

6509 – Back C

6518 – Back B
Alternate Builds Classic Town Coast Guard Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6518 – Back B

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

6481 – Back A

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

375-2 – Inside B

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

1680 – Back C

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

6875 – Back D

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

6804 – Back B

Book 200 – Page 36-37
Alternate Instructions Included Classic Space Classic Space Alternate Builds Idea Book Instructions Added Space 

Book 200 – Page 36-37

6054 – Back B
Alternate Builds Castle Castle Alternate Builds Forestmen Instructions Added Medium Alt Build Medium Builds Royal Knights 

6054 – Back B

Book 6000 – Page 42-43
Classic Town Idea Book Instructions Added Medium Alt Build Town 

Book 6000 – Page 42-43

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

6542 – Back A

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

6938 – Back D

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

4706 – Back C

7725 – Back B
Alternate Builds Instructions Added Medium Alt Build Medium Builds Train Train Alternate Builds 

7725 – Back B

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

6454 – Back B

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

6581 – Back A

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

6880 – Back A

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

6562 – Back E

6363 – Back B
Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds Traffic 

6363 – 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

1694 – Back C
Alternate Builds Blacktron II Blacktron II Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

1694 – Back C

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

6956 – Back A

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

6367 – Back B

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

6175 – Back D

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

6483 – Back B

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

6833 – Back B

Book 250 – Page 22-23
Classic Town Idea Book Instructions Added Small Alt Build Town 

Book 250 – Page 22-23

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

920 – Back B

Book 6000 – Page 12-13
Classic Town Idea Book Instructions Added Medium Alt Build Town 

Book 6000 – Page 12-13

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

4704 – Back B

Book 250 – Page 30-31
Classic Space Classic Space Alternate Builds Idea Book Instructions Added Space 

Book 250 – Page 30-31

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

6354 – Back B

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

6041 – Back B

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

6055 – Back A

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

6985 – Inside A

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

6444 – Back B

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

6035 – Back D

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

6367 – Back D

Book 6000 – Page 60-61
Classic Space Classic Space Alternate Builds Idea Book Instructions Added Large Alt Build Space 

Book 6000 – Page 60-61

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

6077-2 – Inside A

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

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

6846 – 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

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

6552 – Back E

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

6878 – Back C

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

6155 – Back D

EXPLORE MORE OFFICIAL SETS

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

Year Released: 1994BricklinkInstructions *This set was available in 1722: Rescue / Ice Planet Combo Pack. The back of the value

6100: Aquashark Dart
Aquashark Aquazone Aquazone Sets Official Sets Very Small Builds 

6100: Aquashark Dart

March 20, 2023March 21, 2023 Master Builder
6273: Rock Island Refuge
Box Story Large Builds Official Sets Pirates Pirates I Pirates Sets 

6273: Rock Island Refuge

July 4, 2024July 4, 2024 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
4789: AT Aquatic Mech
Alpha Team Alpha Team Sets Medium Builds Mission Deep Sea Official Sets 

4789: AT Aquatic Mech

February 12, 2024February 21, 2024 Master Builder
6973: Deep Freeze Defender
ABCs Box Story Ice Planet 2002 Ice Planet 2002 Sets Jørn Thomsen Large Builds Official Sets Space 

6973: Deep Freeze Defender

September 26, 2019December 17, 2024 Master Builder
6811: Pulsar Charger
M:Tron M:Tron Sets Official Sets Space Very Small Builds 

6811: Pulsar Charger

April 17, 2020April 17, 2020 Master Builder
4150: FreeStyle Building Set
Box Plus FreeStyle FreeStyle Official Sets Official Sets Poster Small Builds 

4150: FreeStyle Building Set

December 17, 2025December 17, 2025 Master Builder
1509: Town Value Pack
Bonus/Value Pack Sets Bonus/Value Packs Official Sets Race Small Builds Town 

1509: Town Value Pack

October 8, 2024October 8, 2024 Master Builder
6017: King’s Oarsman
Castle Castle Sets Lion Knights Official Sets Small Builds 

6017: King’s Oarsman

September 24, 2024September 24, 2024 Master Builder
1484: Weetabix Town House
Building Classic Town Medium Builds Official Sets Town Town Sets 

1484: Weetabix Town House

December 28, 2021December 28, 2021 Master Builder
6034: Black Monarch’s Ghost
Black Knights Castle Castle Sets Official Sets Very Small Builds 

6034: Black Monarch’s Ghost

January 16, 2022January 16, 2022 Master Builder
6207: A-wing Fighter
Episode IV/V/VI Medium Builds Official Sets Star Wars Star Wars Sets 

6207: A-wing Fighter

February 1, 2024February 1, 2024 Master Builder
1793: Space Station Zenon
Large Builds Official Sets Space Unitron Unitron Sets 

1793: Space Station Zenon

April 19, 2021April 19, 2021 Master Builder
4704: The Chamber of the Winged Keys
Harry Potter Harry Potter Sets Medium Builds Official Sets Sorcerer's Stone 

4704: The Chamber of the Winged Keys

May 28, 2024May 28, 2024 Master Builder
6398: Central Precinct HQ
Box Story Classic Town Extra Large Builds Official Sets Police Town Town Sets 

6398: Central Precinct HQ

February 19, 2025February 19, 2025 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
  • 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.