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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

Duplo

Duplo Duplo Sets Official Sets Playhouse Small Builds 

2788: Katie’s Kitchen

July 10, 2024July 10, 2024 Master Builder 4739 Views

Year Released: 1994Bricklink

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Alternate Builds Basic Set Duplo Duplo Alternate Builds Very Small Builds 

2333 – Side L

May 16, 2023May 16, 2023 Master Builder 3839 Views

From: 2333: AnimalName: TBDSubmitted by: USERInstructions

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Alternate Builds Basic Set Duplo Duplo Alternate Builds Very Small Builds 

2333 – Side R

May 16, 2023May 16, 2023 Master Builder 3963 Views

From: 2333: AnimalName: TBDSubmitted by: USERInstructions

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Alternate Builds Basic Set Duplo Duplo Alternate Builds Very Small Builds 

2333 – Back B

May 16, 2023May 16, 2023 Master Builder 4051 Views

From: 2333: AnimalName: TBDSubmitted by: USERInstructions

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Alternate Builds Basic Set Duplo Duplo Alternate Builds Very Small Builds 

2333 – Back A

May 16, 2023May 16, 2023 Master Builder 3766 Views

From: 2333: AnimalName: TBDSubmitted by: USERInstructions

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Alternate Builds Basic Set Duplo Duplo Alternate Builds Very Small Builds 

2333 – Front A

May 16, 2023May 16, 2023 Master Builder 3752 Views

From: 2333: AnimalName: TBDSubmitted by: USERInstructions

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Basic Set Duplo Duplo Sets Official Sets Very Small Builds 

2333: Animal

May 16, 2023May 16, 2023 Master Builder 4790 Views

Year Released: 1987Bricklink

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Alternate Builds Duplo Duplo Alternate Builds Playhouse Very Small Builds 

2551 – Back C

February 27, 2023February 27, 2023 Master Builder 3995 Views

From: 2551: Grandma’s KitchenName: TBDSubmitted by: USERInstructions

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Alternate Builds Duplo Duplo Alternate Builds Playhouse Very Small Builds 

2551 – Back B

February 27, 2023February 27, 2023 Master Builder 3829 Views

From: 2551: Grandma’s KitchenName: TBDSubmitted by: USERInstructions

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Alternate Builds Duplo Duplo Alternate Builds Playhouse Very Small Builds 

2551 – Back A

February 27, 2023February 27, 2023 Master Builder 3906 Views

From: 2551: Grandma’s KitchenName: TBDSubmitted by: USERInstructions

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Duplo Duplo Sets Official Sets Playhouse Small Builds 

2551: Grandma’s Kitchen

February 27, 2023February 27, 2023 Master Builder 4938 Views

Year Released: 1992Bricklink

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Alternate Builds Basic Set Duplo Duplo Alternate Builds Very Small Builds 

2331 – Back E

December 29, 2021December 29, 2021 Master Builder 3902 Views

From: 2331: Barney The Skateboard BearName: TBDSubmitted by: USERInstructions

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Alternate Builds Basic Set Duplo Duplo Alternate Builds Very Small Builds 

2331 – Back D

December 29, 2021December 29, 2021 Master Builder 3811 Views

From: 2331: Barney The Skateboard BearName: TBDSubmitted by: USERInstructions

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Alternate Builds Basic Set Duplo Duplo Alternate Builds Very Small Builds 

2331 – Back C

December 29, 2021December 29, 2021 Master Builder 3949 Views

From: 2331: Barney The Skateboard BearName: TBDSubmitted by: USERInstructions

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Alternate Builds Basic Set Duplo Duplo Alternate Builds Very Small Builds 

2331 – Back B

December 29, 2021December 29, 2021 Master Builder 3882 Views

From: 2331: Barney The Skateboard BearName: TBDSubmitted by: USERInstructions

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Alternate Builds Basic Set Duplo Duplo Alternate Builds Very Small Builds 

2331 – Back A

December 29, 2021December 29, 2021 Master Builder 3618 Views

From: 2331: Barney The Skateboard BearName: TBDSubmitted by: USERInstructions

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Basic Set Duplo Duplo Sets Official Sets Very Small Builds 

2331: Barney The Skateboard Bear

December 29, 2021December 29, 2021 Master Builder 5214 Views

Year Released: 1991Bricklink

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Alternate Builds Basic Set Duplo Duplo Alternate Builds Very Small Builds 

1657 – Back C

December 28, 2021December 28, 2021 Master Builder 3837 Views

From: 1657: BirdName: TBDSubmitted by: USERInstructions

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Alternate Builds Basic Set Duplo Duplo Alternate Builds Very Small Builds 

1657 – Back B

December 28, 2021December 28, 2021 Master Builder 3909 Views

From: 1657: BirdName: TBDSubmitted by: USERInstructions

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Alternate Builds Basic Set Duplo Duplo Alternate Builds Very Small Builds 

1657 – Back A

December 28, 2021December 28, 2021 Master Builder 3609 Views

From: 1657: BirdName: TBDSubmitted by: USERInstructions

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Basic Set Duplo Duplo Sets Official Sets Very Small Builds 

1657: Bird

December 28, 2021December 29, 2021 Master Builder 4718 Views

Year Released: 1990Bricklink

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Duplo Duplo Alternate Builds Idea Book 

Book 226 – Page 4-5

November 8, 2021November 11, 2021 Master Builder 3245 Views

From: Idea Book 226Year Released: 1981

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EXPLORE MORE OFFICIAL SETS

6271: Imperial Flagship
Box Story Imperial Guards Large Builds Official Sets Pirates Pirates I Pirates Sets 

6271: Imperial Flagship

January 6, 2022February 20, 2025 Master Builder

Year Released: 1992BricklinkInstructions The box reads, “THE ADVENTURES OF THE LEGO SYSTEM™  PIRATES OF THE SEA – IMPERIAL FLAGSHIP During the 18th

4708: Hogwarts Express
Harry Potter Harry Potter Sets Large Builds Official Sets Sorcerer's Stone 

4708: Hogwarts Express

July 13, 2021August 8, 2024 Master Builder
6505: Fire Chief’s Car
Classic Town Fire Official Sets Town Town Sets Very Small Builds 

6505: Fire Chief’s Car

July 8, 2022July 8, 2022 Master Builder
1876: Soil Scooper
Bonus/Value Pack Sets Classic Town Official Sets Small Builds Town Town Sets Traffic 

1876: Soil Scooper

October 11, 2021September 7, 2023 Master Builder
6989: Mega Core Magnetizer
Box Marketing Blurb Extra Large Builds Jørn Thomsen M:Tron M:Tron Sets Official Sets 

6989: Mega Core Magnetizer

September 15, 2019April 4, 2024 Master Builder
6249: Pirates Ambush
Medium Builds Official Sets Pirates Pirates I Pirates Sets 

6249: Pirates Ambush

November 16, 2019February 20, 2025 Master Builder
6981: Aerial Intruder
ABCs Blacktron II Blacktron II Sets Jørn Thomsen Large Builds Official Sets Space 

6981: Aerial Intruder

September 22, 2019August 15, 2023 Master Builder
6837: Cosmic Creeper (Mantis Scavenger)
ABCs Insectoids Insectoids Sets Official Sets Small Builds 

6837: Cosmic Creeper (Mantis Scavenger)

April 2, 2020March 22, 2025 Master Builder
1628: Santa on Sleigh with Reindeer
Holiday and Event Holiday and Event Sets Official Sets Small Builds 

1628: Santa on Sleigh with Reindeer

November 25, 2020July 25, 2024 Master Builder
6921: Monorail Accessory Track
Futuron Official Sets Space Supplemental 

6921: Monorail Accessory Track

September 1, 2023September 1, 2023 Master Builder
3056: Go-Kart
Classic Town Official Sets Race Town Town Sets Very Small Builds 

3056: Go-Kart

July 26, 2020July 26, 2020 Master Builder
4707: Hagrid’s Hut
Harry Potter Harry Potter Sets Large Builds Official Sets Sorcerer's Stone 

4707: Hagrid’s Hut

December 29, 2021December 29, 2021 Master Builder
4714: Gringott’s Bank
Harry Potter Harry Potter Sets Medium Builds Official Sets Sorcerer's Stone 

4714: Gringott’s Bank

March 2, 2023March 2, 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
6509: Red Devil Racer
Classic Town Official Sets Small Builds Town Town Sets Traffic 

6509: Red Devil Racer

October 12, 2021October 12, 2021 Master Builder
4920: Rapid Rider
Official Sets Rock Raiders Rock Raiders Sets Very Small Builds 

4920: Rapid Rider

March 1, 2023March 1, 2023 Master Builder

BOXES

INSTRUCTIONS

FAVORITES

MINIFIGS

About This Site

Logo
There were once pictures of additional LEGO® builds on the back of set boxes. Written on the boxes was typically something about the endless building possibilities, "Build any of these exciting models with this set!" There were no instructions for these alternate builds, until now.

Sets

  • Adventurers
  • Aquazone
  • 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 © 2025 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.