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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

3056 – Back A
Alternate Builds Classic Town Race Town Town Alternate Builds Very Small Builds 

3056 – Back A

July 26, 2020July 26, 2020 Master Builder
6020 – Back A
Alternate Builds Castle Castle Alternate Builds Dragon Knights Instructions Added Small Alt Build Small Builds 

6020 – Back A

June 26, 2022May 17, 2023 Master Builder
6883 – Back D
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds 

6883 – Back D

November 21, 2023December 3, 2023 Master Builder
1498 – Back C
Alternate Builds Classic Space Classic Space Alternate Builds Small Builds Space 

1498 – Back C

March 11, 2024March 11, 2024 Master Builder
6040 – Back D
Alternate Builds Alternate Instructions Included Castle Castle Alternate Builds Instructions Added Lion Knights Small Alt Build Small Builds 

6040 – Back D

October 8, 2023September 25, 2024 Master Builder
6399 – Back C
Airport Alternate Builds Classic Town Extra Large Builds Town Town Alternate Builds 

6399 – Back C

February 24, 2023March 17, 2024 Master Builder
6889 – Back A
Alternate Builds Instructions Added Medium Alt Build Medium Builds Space Spyrius Spyrius Alternate Builds 

6889 – Back A

December 5, 2022December 7, 2022 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

7150 – Instructions 3
Alternate Builds Small Builds Star Wars Star Wars Alternate Builds 

7150 – Instructions 3

April 21, 2026April 21, 2026 Master Builder

From: 7150: TIE Fighter & Y-wingName: TBDSubmitted by: USERInstructions:

HARRY POTTERView All

4751 – Back A
Alternate Builds Harry Potter Harry Potter Alternate Builds Prisoner of Azkaban Small Builds 

4751 – Back A

May 16, 2023May 16, 2023 Master Builder

From: 4751: Harry and the Marauder’s MapName: TBDSubmitted by: USERInstructions:

INSTRUCTIONS ADDEDView All

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

6593 – Back D

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

6900 – Back A

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

6750 – Back A

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

6341 – Back C

6483 – Back A
Alternate Builds Classic Town Instructions Added Police Small Alt Build Small Builds Town Town Alternate Builds 

6483 – Back A

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

6235 – Back B

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

7121 – Back A

6356 – Back B
Alternate Builds Classic Town Hospital Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6356 – Back B

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

6685 – Back B

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

6055 – Back C

6056 – Back C
Alternate Builds Castle Castle Alternate Builds Dragon Knights Instructions Added Small Alt Build Small Builds 

6056 – Back C

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

6375 – Back B

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

6673 – Back B

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

6430 – Back C

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

6933 – Back D

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

6683 – Back A

1499 – Back C
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

1499 – Back C

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

6086 – Back B

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

5935 – Back A

4592 – Back A
Alternate Builds Drome Racers Instructions Added Racers Racers Alternate Builds Small Alt Build Very Small Alt Build Very Small Builds 

4592 – Back A

70008 – Gorilla Mini-Robot
Alternate Builds CHIMA™ CHIMA™ Alternate Builds Instructions Added Medium Builds 

70008 – Gorilla Mini-Robot

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

6932 – Back C

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

6042 – Back C

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

6953 – Back A

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

920 – Back E

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

6260 – Back C

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

6875 – Back A

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

6340 – Back C

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

6380 – Back B

6335 – Back B
Alternate Builds Classic Town Instructions Added Medium Alt Build Medium Builds Race Town Town Alternate Builds 

6335 – Back B

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

6649 – Back B

6970 – Back E
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6970 – Back E

6799 – Back B
Alternate Builds Cowboys Instructions Added Very Small Alt Build Very Small Builds Western Western Alternate Builds 

6799 – Back B

6983 – Back C
Alternate Builds Ice Planet 2002 Ice Planet 2002 Alternate Builds Instructions Added Large Alt Build Large Builds 

6983 – Back C

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

6955 – Back B

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

6581 – Back E

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

Book 7777 – Page 56-57
Idea Book Instructions Added Large Alt Build Large Builds Town Train 

Book 7777 – Page 56-57

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

6386 – Back D

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

4883 – Instructions H

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

6648 – Back D

6663 – Back C
Alternate Builds Classic Town Harbor Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6663 – Back C

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

6546 – Back B

Book 6000 – Page 62-63
Classic Space Classic Space Alternate Builds Idea Book Instructions Added Medium Alt Build Space 

Book 6000 – Page 62-63

6352 – Back E
Alternate Builds Classic Town Construction Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6352 – Back E

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

6358 – Back B

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

194 – Instructions A

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

6346 – Back A

Book 6000 – Page 76-77
Castle Castle Alternate Builds Idea Book Instructions Added Small Alt Build 

Book 6000 – Page 76-77

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

6361 – Back D

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

1694 – Back C

6017 – Back A
Alternate Builds Castle Castle Alternate Builds Instructions Added Very Small Alt Build Very Small Builds 

6017 – Back A

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

4883 – Instructions B

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

6780 – Back E

6030 – Back A
Alternate Builds Black Falcons Castle Castle Alternate Builds Instructions Added Small Alt Build Small Builds 

6030 – Back A

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

6390 – Back C

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

Book 7777 – Page 42-43

6060 – Back C
Alternate Builds Castle Castle Alternate Builds Instructions Added Lion Knights Medium Alt Build Medium Builds 

6060 – Back C

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

375-2 – Inside B

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

6672 – Back C

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

6949 – Back D

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

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

7180 – Back A

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

7111 – Back A

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

7779 – Instructions B

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

6440 – Back B

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

918 – Back E

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

897 – Back D

6981 – Back C
Alternate Builds Blacktron II Blacktron II Alternate Builds Instructions Added Large Alt Build Large Builds 

6981 – Back C

4720 – Back A
Alternate Builds Chamber of Secrets Harry Potter Harry Potter Alternate Builds Instructions Added Medium Alt Build Medium Builds 

4720 – Back A

Book 6000 – Page 70-71
Classic Space Classic Space Alternate Builds Idea Book Instructions Added Medium Alt Build Space 

Book 6000 – Page 70-71

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

6875 – Back D

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

6641 – Back B

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

4883 – Instructions E

Book 200 – Page 42-43
Castle Castle Alternate Builds Idea Book Instructions Added Small Alt Build Small Builds 

Book 200 – Page 42-43

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

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

6951 – Back A

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

550-2 – Back B

Book 6000 – Page 16-17
Classic Town Idea Book Instructions Added Medium Alt Build Town 

Book 6000 – Page 16-17

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

6876 – Back C

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

6833 – Back B

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

720 – Back E

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

6985 – Back A

6898 – Back B
Alternate Builds Ice Planet 2002 Ice Planet 2002 Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

6898 – Back B

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

6581 – Back D

Book 250 – Page 48-49
Castle Castle Alternate Builds Extra Large Alt Build Idea Book Instructions Added 

Book 250 – Page 48-49

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

Book 200 – Page 50-51

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

1736 – Back C

6115 – Back B
Alternate Builds Aquashark Aquazone Aquazone Alternate Builds Instructions Added Very Small Alt Build Very Small Builds 

6115 – Back B

6663 – Back B
Alternate Builds Classic Town Harbor Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6663 – Back B

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

6890 – Back C

6901 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

6901 – Back A

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

6361 – Back E

6397 – Back E
Alternate Builds Classic Town Gas Station Instructions Added Large Alt Build Large Builds Town Town Alternate Builds 

6397 – Back E

8024 – Back C
Alternate Builds Instructions Added Medium Alt Build Medium Builds Technic Technic Alternate Builds 

8024 – Back C

6390 – Inside A
Alternate Builds Classic Town Extra Large Alt Build Extra Large Builds Instructions Added Town Town Alternate Builds Traffic 

6390 – Inside A

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

6889 – Back A

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

6970 – Inside B

BrickJournal Issue 12 Page 77 – Proto 1
Concepts and Prototypes Instructions Added M:Tron M:Tron Alternate Builds Small Alt Build Small Builds Space 

BrickJournal Issue 12 Page 77 – Proto 1

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

6440 – Back D

EXPLORE MORE OFFICIAL SETS

7781: The Batmobile: Two-Face’s Escape
Batman I BATMAN™ BATMAN™ Sets Large Builds Official Sets 

7781: The Batmobile: Two-Face’s Escape

March 27, 2026March 27, 2026 Master Builder

Year Released: 2006BricklinkInstructions

8956: Stone Chopper
Official Sets Power Miners Power Miners Sets Small Builds 

8956: Stone Chopper

March 27, 2026March 27, 2026 Master Builder
7258: Wookiee Attack
Episode III Large Builds Official Sets Star Wars Star Wars Sets 

7258: Wookiee Attack

March 1, 2023March 1, 2023 Master Builder
6431: Road Rescue
Official Sets Res-Q Small Builds Town Town Sets 

6431: Road Rescue

January 20, 2022January 20, 2022 Master Builder
6885: Saturn Base Main Team (Crater Crawler)
Futron Sets Futuron Official Sets Small Builds Space 

6885: Saturn Base Main Team (Crater Crawler)

December 28, 2021December 28, 2021 Master Builder
6882: Walking Astro Grappler
Classic Space Classic Space Sets Mads Rye Official Sets Small Builds 

6882: Walking Astro Grappler

September 30, 2019April 2, 2025 Master Builder
7101: Lightsaber Duel
Episode I Official Sets Small Builds Star Wars Star Wars Sets 

7101: Lightsaber Duel

October 28, 2021October 28, 2021 Master Builder
6673: Solo Trainer
Airport Classic Town Medium Builds Official Sets Town Town Sets 

6673: Solo Trainer

November 18, 2020November 18, 2020 Master Builder
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
7711: Sentry
Exo-Force Official Sets Small Builds 

7711: Sentry

August 11, 2023August 11, 2023 Master Builder
1843-2: {Spyrius Unknown}
Bonus/Value Pack Sets Official Sets Small Builds Space Spyrius Spyrius Sets 

1843-2: {Spyrius Unknown}

September 8, 2023September 13, 2023 Master Builder
801: Gear Set
Gears Medium Builds Official Sets Universal Building Set 

801: Gear Set

December 17, 2025December 17, 2025 Master Builder
7704: Sonic Phantom
Exo-Force Medium Builds Official Sets 

7704: Sonic Phantom

April 28, 2023April 28, 2023 Master Builder
6613: Telephone Booth
Classic Town Official Sets Town Town Sets Traffic Very Small Builds 

6613: Telephone Booth

November 6, 2024November 6, 2024 Master Builder
1728 (6145): Crystal Crawler {with Aqua Playscape}
ABCs Aquanauts Aquazone Aquazone Sets Box Plus Official Sets Playscape/Play Stage Box Small Builds 

1728 (6145): Crystal Crawler {with Aqua Playscape}

August 1, 2023March 22, 2025 Master Builder
4730: The Chamber of Secrets
Chamber of Secrets Extra Large Builds Harry Potter Harry Potter Sets Official Sets 

4730: The Chamber of Secrets

January 23, 2024January 23, 2024 Master Builder

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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

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The classic space set that never was.

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