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

6266 – Back C
Alternate Builds Imperial Guards Pirates Pirates Alternate Builds Pirates I Small Builds 

6266 – Back C

December 27, 2021June 3, 2022 Master Builder
4707 – Back A
Alternate Builds Harry Potter Harry Potter Alternate Builds Instructions Added Medium Builds Sorcerer's Stone 

4707 – Back A

May 27, 2024May 30, 2024 Master Builder
6750 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Small Builds 

6750 – Back B

September 22, 2019September 28, 2019 Master Builder
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

August 17, 2023April 21, 2026 Master Builder
6021 – Back B
Alternate Builds Castle Castle Alternate Builds Instructions Added Very Small Alt Build Very Small Builds 

6021 – Back B

September 25, 2024September 25, 2024 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
6735 – Back A
Alternate Builds Island Xtreme Stunts Island Xtreme Stunts Alternate Builds Medium Builds 

6735 – Back A

April 7, 2026April 7, 2026 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

7184 – Back B
Alternate Builds Episode IV/V/VI Medium Builds Star Wars Star Wars Alternate Builds 

7184 – Back B

April 21, 2026April 21, 2026 Master Builder

From: 7184: Trade Federation MTT Build 1: Radar Tower (Instructions 3) Instructions: View PDF | Download .io File Build 2: ShipInstructions: View

HARRY POTTERView All

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

4704 – Back A

May 28, 2024May 30, 2024 Master Builder

From: 4704: The Chamber of the Winged KeysName: High Stakes Jungle Gym Instructions: View PDF | Download .io File

INSTRUCTIONS ADDEDView All

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

6039 – Back B

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

897 – Back A

6926 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

6926 – Back A

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

6641 – Back C

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

735 – Back D
Alternate Builds Basic Instructions Added Large Alt Build Large Builds LEGOLAND Alternate Builds Universal Building Set Universal Building Set Alternate Builds 

735 – Back D

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

4707 – Back A

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

6482 – Back C

BrickJournal Issue 6 Volume 2 Page 40 – Proto 2
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 2

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

6087 – Back A

6847 – Comic
ABCs Alternate Builds Classic Space Classic Space Alternate Builds Comic Book Instructions Added Jim Spaceborn Small Alt Build Small Builds Space 

6847 – Comic

6899 – Back B
Alternate Builds Exploriens Exploriens Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

6899 – Back B

6856 – Back A
Alternate Builds Exploriens Exploriens Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6856 – Back A

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

6975 – 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

5521 – Back A
Alternate Builds Instructions Added Large Alt Build Large Builds Model Team Model Team Alternate Builds 

5521 – Back A

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

6594 – Back D

6901 – Back B
ABCs Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

6901 – Back B

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

6356 – Back A

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

6340 – Back D

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

6402 – Back B

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

6826 – Back A

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

550-2 – Back C

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

6808 – Back C

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

Book 250 – Page 48-49

Book 6000 – Page 80-81
ABCs Castle Castle Alternate Builds Idea Book Instructions Added Large Alt Build 

Book 6000 – Page 80-81

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

6854 – Back A

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

1736 – Back B

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

6375 – Back B

1789 – Back A
Alternate Builds Instructions Added Medium Alt Build Medium Builds Space Unitron Unitron Alternate Builds 

1789 – Back A

6897 – Back A
Alternate Builds Instructions Added Medium Alt Build Medium Builds Space Space Police II Space Police II Alternate Builds 

6897 – Back A

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

720 – Inside F

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

1793 – Back C

6360 – Back D
Alternate Builds Building Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6360 – Back D

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

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

6826 – Back C

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

6694 – Back C

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

6552 – Back E

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

6949 – Back D

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

6957 – Back D

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

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

6872 – Back C

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

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

375-2 – Inside B

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

Book 6000 – Page 12-13

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

6956 – Back C

1702 – Side L
Alternate Builds Classic Town Fire Instructions Added Small Alt Build Small Builds Town 

1702 – Side L

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

6685 – Catalog 1

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

6440 – Back C

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

6941 – Inside B

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

6061 – Inside A

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

1793 – Back B

6267 – Back D
Alternate Builds Imperial Soldiers Instructions Added Medium Alt Build Medium Builds Pirates Pirates Alternate Builds Pirates I 

6267 – Back D

6135 – Back B
Alternate Builds Aquashark Aquazone Aquazone Alternate Builds Instructions Added Very Small Alt Build Very Small Builds 

6135 – Back B

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

4883 – Instructions D

6929 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Medium Alt Build Medium Builds 

6929 – Back A

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

6851 – Back A

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

6518 – Back A

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

6444 – Back A

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

1732 – Back A

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

6361 – Back E

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

6115 – Back C

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

6663 – Back C

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

720 – Inside E

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

6841 – Back C

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

8369 – Inside B

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

720 – Side L

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

6861 – Back A

Book 6000 – Page 74-75
Castle Castle Alternate Builds Classic Space Classic Space Alternate Builds Idea Book Instructions Added Large Alt Build Space 

Book 6000 – Page 74-75

6258 – Back B
Alternate Builds Instructions Added Pirates Pirates Alternate Builds Pirates I Small Alt Build Small Builds 

6258 – Back B

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

Book 6000 – Page 26-27

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

4563 – Back A

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

5935 – Back A

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

6694 – Back D

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

194 – Instructions B

6813 – Back B
Alternate Builds Instructions Added Space Space Police II Space Police II Alternate Builds Very Small Alt Build Very Small Builds 

6813 – Back B

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

920 – Back E

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

7779 – Instructions B

6835 – Back A
Alternate Builds Instructions Added Small Alt Build Small Builds Spyrius Spyrius Alternate Builds 

6835 – Back A

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

6354 – Back D

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

6506 – Back B

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

6836 – Back A

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

6938 – Back B

6027 – Back B
Alternate Builds Castle Castle Alternate Builds Fright Knights Instructions Added Small Alt Build Small Builds 

6027 – Back B

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

6683 – Back A

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

671 – Back B

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

894 – Back D

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

6861 – Back C

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

6542 – Back D

6071 – Inside A
Alternate Builds Castle Castle Alternate Builds Instructions Added Medium Alt Build Medium Builds 

6071 – Inside 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

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

8675 – Back C

Book 260 – Page 14-15
Alternate Instructions Included Basic Basic Alternate Builds Classic Town Idea Book Instructions Added Town 

Book 260 – Page 14-15

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

6648 – 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

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

7140 – Back A

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

6886 – Back B

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

897 – Back B

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

720 – Inside A

EXPLORE MORE OFFICIAL SETS

6880: Surface Explorer
Classic Space Classic Space Sets Official Sets Small Builds Space 

6880: Surface Explorer

May 4, 2020May 4, 2020 Master Builder

Year Released: 1982InstructionsBricklink

6469: Spaceport Bonus Pack
Bonus/Value Pack Alternate Builds Bonus/Value Pack Sets Bonus/Value Packs Medium Builds Official Sets Space Port Town Town Sets 

6469: Spaceport Bonus Pack

March 3, 2025March 3, 2025 Master Builder
6483: Coastal Patrol
Classic Town Large Builds Official Sets Police Town Town Sets 

6483: Coastal Patrol

December 29, 2021December 29, 2021 Master Builder
6077-2: Forestmen’s River Fortress
Castle Castle Sets Forestmen Large Builds Official Sets 

6077-2: Forestmen’s River Fortress

April 19, 2021February 2, 2022 Master Builder
6977: Arachnoid Star Base
Insectoids Insectoids Sets Large Builds Official Sets 

6977: Arachnoid Star Base

November 9, 2019November 9, 2019 Master Builder
6971: Inter-Galactic Command Base
Classic Space Classic Space Sets Large Builds Official Sets 

6971: Inter-Galactic Command Base

September 12, 2019September 28, 2019 Master Builder
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
6348: Surveillance Squad
Classic Town Large Builds Official Sets Police Town Town Sets 

6348: Surveillance Squad

June 23, 2026June 23, 2026 Master Builder
6043: Dragon Defender
Castle Castle Sets Dragon Knights Medium Builds Official Sets 

6043: Dragon Defender

November 20, 2023November 20, 2023 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
5581: Magic Flash
Extra Large Builds Model Team Model Team Sets Official Sets 

5581: Magic Flash

January 2, 2024January 2, 2024 Master Builder
6826: Crater Crawler
Classic Space Classic Space Sets Official Sets Very Small Builds 

6826: Crater Crawler

September 26, 2019October 22, 2019 Master Builder
6278: Enchanted Island
Box Story Islanders Medium Builds Official Sets Pirates Pirates I Pirates Sets 

6278: Enchanted Island

February 20, 2025February 20, 2025 Master Builder
Kabaya: Alpha Team 1
Alpha Team Alpha Team Sets Mission Deep Sea Official Sets Very Small Builds 

Kabaya: Alpha Team 1

September 9, 2024September 9, 2024 Master Builder
6037: Witch’s Windship
Castle Castle Sets Fright Knights Official Sets Small Builds 

6037: Witch’s Windship

December 29, 2021December 29, 2021 Master Builder
1747: Treasure Cave
Official Sets Pirates Pirates I Pirates Sets Very Small Builds 

1747: Treasure Cave

May 6, 2022May 6, 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.