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Back of the Box Builds

Back of the Box Builds

LEGO Alternate Builds!

  • SETS
    • Adventurers
    • Aquazone
    • 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
    • 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

6515 – Back C
Airport Alternate Builds Classic Town Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6515 – Back C

May 18, 2022May 23, 2022 Master Builder
6613 – Back B
Alternate Builds Classic Town Instructions Added Town Town Alternate Builds Traffic Very Small Alt Build Very Small Builds 

6613 – Back B

November 22, 2025November 25, 2025 Master Builder
6623 – Back A
Alternate Builds Classic Town Police Town Town Alternate Builds Very Small Builds 

6623 – Back A

October 13, 2021October 13, 2021 Master Builder
6845 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Small Builds Space 

6845 – Back B

January 14, 2025January 14, 2025 Master Builder
6664 – Back A
Alternate Builds Classic Town Instructions Added Police Small Alt Build Small Builds Town Town Alternate Builds 

6664 – Back A

March 29, 2022April 5, 2022 Master Builder
6482 – Back C
Alternate Builds Classic Town Hospital Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6482 – Back C

May 11, 2022May 13, 2022 Master Builder
6884 – Back C
Alternate Builds Futuron Futuron Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6884 – Back C

September 24, 2019October 25, 2021 Master Builder

NEW INSTRUCTIONS ADDED!View All

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

    6506 – Back C

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

    6506 – Back B

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

    6506 – Back A

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

    6613 – Back B

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

    6613 – Back A

6506 – Back C6506 – Back C6506 – Back B6506 – Back B6506 – Back A6506 – Back A6613 – Back B6613 – Back B6613 – Back A6613 – Back A

NEW OFFICIAL SETS ADDED!View All

4592: Red Monster
Drome Racers Official Sets Racers Very Small Builds 

4592: Red Monster

November 14, 2025November 14, 2025 Master Builder

Year Released: 2002BricklinkInstructions

6699: Cycle Fix-It Shop
Classic Town Official Sets Small Builds Town Town Sets Traffic 

6699: Cycle Fix-It Shop

October 28, 2025October 28, 2025 Master Builder

Year Released: 1987BricklinkInstructions

385-2: Build-N-Store Chest
Basic Official Sets Small Builds Universal Building Set 

385-2: Build-N-Store Chest

September 8, 2025September 8, 2025 Master Builder

Year Released: 1990Bricklink

NEW ALTERNATE BUILDS ADDED!View All

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

6506 – Back C

November 22, 2025November 25, 2025 Master Builder
6506 – Back A
Alternate Builds Classic Town Instructions Added Police Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6506 – Back A

November 22, 2025November 25, 2025 Master Builder
6506 – Back B
Alternate Builds Classic Town Instructions Added Police Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6506 – Back B

November 22, 2025November 25, 2025 Master Builder
6613 – Back B
Alternate Builds Classic Town Instructions Added Town Town Alternate Builds Traffic Very Small Alt Build Very Small Builds 

6613 – Back B

November 22, 2025November 25, 2025 Master Builder
6613 – Back A
Alternate Builds Classic Town Instructions Added Town Town Alternate Builds Traffic Very Small Alt Build Very Small Builds 

6613 – Back A

November 22, 2025November 25, 2025 Master Builder
886 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

886 – Back B

November 22, 2025November 25, 2025 Master Builder
928 – Back G
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

928 – Back G

November 22, 2025November 25, 2025 Master Builder
4592 – Back B
Alternate Builds Drome Racers Instructions Added Racers Racers Alternate Builds Small Alt Build Very Small Alt Build Very Small Builds 

4592 – Back B

November 14, 2025November 14, 2025 Master Builder
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

November 14, 2025November 14, 2025 Master Builder
6699 – Back E
Alternate Builds Classic Town Small Builds Town Town Alternate Builds Traffic 

6699 – Back E

October 28, 2025October 28, 2025 Master Builder

STAR WARSView All

7130 – Back A
Alternate Builds Episode IV/V/VI Medium Builds Star Wars Star Wars Alternate Builds 

7130 – Back A

June 28, 2022June 28, 2022 Master Builder

From: 7130: SnowspeederName: TBDSubmitted by: USERInstructions

HARRY POTTERView All

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

4709 – Back A

June 12, 2024June 17, 2024 Master Builder

From: 4709: Hogwarts CastleName: Castle Rooms Instructions: View PDF | Download .io File

INSTRUCTIONS ADDEDView All

6746 – Back A
Alternate Builds Indians Instructions Added Small Alt Build Small Builds Western Western Alternate Builds 

6746 – 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

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

8369 – Inside E

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

6273 – Back D

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

6890 – Back A

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

6546 – Back B

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

6897 – Back A

6877 – Back B
Alternate Builds Instructions Added M:Tron M:Tron Alternate Builds Small Alt Build Small Builds Space 

6877 – Back B

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

6264 – Back A

6801 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Very Small Alt Build Very Small Builds 

6801 – Back A

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

720 – Back D

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

720 – Back A

6270 – Back D
Alternate Builds Instructions Added Medium Alt Build Medium Builds Pirates Pirates Alternate Builds Pirates I 

6270 – Back D

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

Book 6000 – Page 66-67

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

6258 – Back C

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

6512 – Back C

7126 – Back A
Alternate Builds Episode I Instructions Added Small Alt Build Small Builds Star Wars Star Wars Alternate Builds 

7126 – Back A

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

6048 – Back A

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

6956 – Back A

Book 6000 – Page 8-9
Classic Town Idea Book Instructions Added Town 

Book 6000 – Page 8-9

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

6335 – Back B

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

6856 – Back A

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

6876 – Back C

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

6953 – Back A

6981 – Back D
ABCs Alternate Builds Blacktron II Blacktron II Alternate Builds Instructions Added Large Alt Build Large Builds Space 

6981 – Back D

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

6949 – Back B

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

6898 – Back A

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

6509 – 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

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

6440 – Back C

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

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

6981 – Back A

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

6716 – Back B

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

4702 – Back A

1616 – Back C
Alternate Builds Bonus/Value Pack Alternate Builds Futuron Futuron Alternate Builds Instructions Added Small Builds Space 

1616 – Back C

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

6552 – Back E

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

6832 – Back A

6812 – Back C
Alternate Builds Blacktron II Blacktron II Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

6812 – Back C

6073 – Inside A
Alternate Builds Castle Castle Alternate Builds Instructions Added Small Alt Build Small Builds 

6073 – Inside A

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

6546 – Back A

Book 6000 – Page 14-15
Classic Town Idea Book Instructions Added Medium Alt Build Town 

Book 6000 – Page 14-15

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

6390 – Inside A

6529 – Back A
Airport Alternate Builds Classic Town Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6529 – Back A

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

6510 – Back B

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

6046 – Back A

6825 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds 

6825 – Back A

6818 – Back B
Alternate Builds Instructions Added Small Builds Space UFO UFO Alternate Builds Very Small Alt Build 

6818 – Back B

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

6037 – Back C

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

6257 – Back C
Alternate Builds Instructions Added Pirates Pirates Alternate Builds Pirates I Small Alt Build Small Builds 

6257 – Back C

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

6900 – Back A

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

6018 – Back B

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

6876 – Back B

6820 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

6820 – Back A

6831 – Back A
Alternate Builds Instructions Added Space Space Police I Space Police I Alternate Builds Very Small Alt Build Very Small Builds 

6831 – Back A

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

6887 – Back A

Book 6000 – Page 50-51
Classic Town Idea Book Instructions Added Medium Alt Build Town 

Book 6000 – Page 50-51

6870 – Back A
ABCs Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

6870 – Back A

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

6949 – Back D

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

920 – Back C

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

6262 – Back B

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

918 – Back A

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

6891 – Back A

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

6358 – Back C

6986 – Back A
Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added Space Space Police I Space Police I Alternate Builds 

6986 – Back A

6533 – Back C
Alternate Builds Classic Town Instructions Added Police Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6533 – Back C

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

6872 – Back C

6850 – Back C
Alternate Builds Futuron Futuron Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6850 – Back C

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

6975 – Back B

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

4883 – Instructions F

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

6017 – Back B

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

6799 – Back B

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

Book 260 – Page 36-37

6812 – Back B
Alternate Builds Blacktron II Blacktron II Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

6812 – Back B

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

6367 – Back B

6515 – Back B
Airport Alternate Builds Classic Town Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6515 – Back B

1843 – Side L
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 L

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

6237 – Back A

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

6813 – Back A

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

6872 – Back D

6871 – Back D
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6871 – Back D

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

6897 – Back C

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

6876 – Back A

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

6541 – Back G

6986 – Back D
Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added Space Space Police I Space Police I Alternate Builds 

6986 – Back D

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

6872 – Back B

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

6017 – Back A

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

4704 – Back A

Book 226 – Page 36-37
Classic Town Extra Large Alt Build Extra Large Builds Idea Book Instructions Added Town Town Alternate Builds 

Book 226 – Page 36-37

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

6060 – Back B

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

6593 – Back A

6971 – Inside A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Large Alt Build Large Builds Space 

6971 – Inside A

6814 – Back C
Alternate Builds Ice Planet 2002 Ice Planet 2002 Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

6814 – Back C

6358 – Back A
Alternate Builds Classic Town Fire Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6358 – Back A

6356 – Back C
Alternate Builds Classic Town Hospital Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6356 – Back C

6043 – Back C
Alternate Builds Castle Castle Alternate Builds Dragon Knights Instructions Added Medium Alt Build Medium Builds 

6043 – Back C

6685 – Catalog 4
Alternate Builds Classic Town Fire Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6685 – Catalog 4

6085 – Back C
Alternate Builds Black Knights Castle Castle Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added 

6085 – Back C

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

4706 – Back C

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

6983 – Back B

EXPLORE MORE OFFICIAL SETS

6826: Crater Crawler
Classic Space Classic Space Sets Official Sets Very Small Builds 

6826: Crater Crawler

September 26, 2019October 22, 2019 Master Builder

Year Released: 1985Bricklink

6442: Sting Ray Explorer
Divers Medium Builds Official Sets Town Town Sets 

6442: Sting Ray Explorer

December 29, 2021December 29, 2021 Master Builder
1680: Hay Cart with Smugglers
Castle Castle Sets Forestmen Official Sets Small Builds 

1680: Hay Cart with Smugglers

August 12, 2024September 24, 2024 Master Builder
1555: Santa Claus Polybag
Holiday and Event Holiday and Event Sets Official Sets Very Small Builds 

1555: Santa Claus Polybag

April 28, 2023April 28, 2023 Master Builder
9355: Dacta Space Theme Set
Educational & Dacta Extra Large Builds Futron Sets Futuron Official Sets Space 

9355: Dacta Space Theme Set

March 2, 2023May 18, 2023 Master Builder
1657: Bird
Basic Set Duplo Duplo Sets Official Sets Very Small Builds 

1657: Bird

December 28, 2021December 29, 2021 Master Builder
6836: V-Wing Fighter
ABCs Official Sets Small Builds UFO UFO Sets 

6836: V-Wing Fighter

October 24, 2019March 22, 2025 Master Builder
6452: Mini Rocket Launcher
Official Sets Space Port Town Town Sets Very Small Builds 

6452: Mini Rocket Launcher

October 3, 2024October 3, 2024 Master Builder
6268: Renegade Runner
Medium Builds Official Sets Pirates Pirates I Pirates Sets 

6268: Renegade Runner

April 9, 2020July 13, 2021 Master Builder
6022: Horse Cart
Castle Castle Sets Lion Knights Official Sets Very Small Builds 

6022: Horse Cart

October 19, 2019April 4, 2020 Master Builder
6847: Space Dozer
ABCs Classic Space Classic Space Sets Official Sets Small Builds Space 

6847: Space Dozer

January 29, 2025April 10, 2025 Master Builder
6501: Sport Convertible
Classic Town Official Sets Town Town Sets Traffic Very Small Builds 

6501: Sport Convertible

July 8, 2022July 8, 2022 Master Builder
6090: Royal Knight’s Castle
Castle Castle Sets Extra Large Builds Niels Milan Pedersen Official Sets Royal Knights 

6090: Royal Knight’s Castle

July 13, 2021July 29, 2023 Master Builder
4720: Knockturn Alley
Chamber of Secrets Harry Potter Harry Potter Sets Medium Builds Official Sets 

4720: Knockturn Alley

July 9, 2024July 9, 2024 Master Builder
6040: Blacksmith Shop
Castle Castle Sets Lion Knights Official Sets Small Builds 

6040: Blacksmith Shop

October 8, 2023October 8, 2023 Master Builder
6270: Forbidden Island
Box Story Medium Builds Niels Milan Pedersen Official Sets Pirates Pirates I Pirates Sets 

6270: Forbidden Island

April 4, 2022February 21, 2025 Master Builder

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About This Site

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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
  • 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
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  • New Alternate Builds
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  • 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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