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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
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    • 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

Sea-Tron

ABCs Concepts and Prototypes Sea People Sea-Tron Space 

Sea People

February 12, 2025February 12, 2025 Master Builder 5358 Views

MiscTheme: Seatron, Aquadome *Alternate Build Connection: Aquazone BrickJournal: Issue 6 Volume 2 – Page 43TwoMorrows PublishingPhoto Credit: Niels Milan Pedersen’s personal

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ABCs Concepts and Prototypes Sea People Sea-Tron Space 

Aquadome

February 11, 2025February 18, 2025 Master Builder 5642 Views

MiscTheme: Seatron, Sea People *Alternate Build Connection: Aquazone, 6195: Neptune Discovery Lab (Aqua Dome 7), 6199: Hydro Crystalization Station LEGO®

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ABCs Concepts and Prototypes Sea People Sea-Tron Space 

Seatron

February 23, 2023February 12, 2025 Master Builder 5822 Views

MiscTheme: Seatron, Sea People, Aquadome *Alternate Build Connection: Aquazone BrickJournal: Issue 6 Volume 2 – Page 43TwoMorrows PublishingPhoto Credit: Niels

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Concepts and Prototypes Sea People Sea-Tron Space 

BrickJournal Issue 6 Volume 2 Page 43 – Proto 1

February 23, 2023August 15, 2023 Master Builder 4814 Views

BrickJournal Issue 6 Volume 2TwoMorrows PublishingPhoto Credit: Niels Milan Pedersen’s personal LEGO archives

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Concepts and Prototypes Sea People Sea-Tron Space 

BrickJournal Issue 6 Volume 2 Page 43 – Concept 1

February 23, 2023August 15, 2023 Master Builder 3602 Views

BrickJournal Issue 6 Volume 2TwoMorrows PublishingPhoto Credit: Niels Milan Pedersen’s personal LEGO archives

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EXPLORE MORE OFFICIAL SETS

8922: Gadunka
BIONICLE BIONICLE Sets Extra Large Builds Official Sets Warriors 

8922: Gadunka

March 6, 2026March 6, 2026 Master Builder

Year Released: 2007BricklinkInstructions NONE 🙁

6953: Cosmic Laser Launcher
Bjarne Tveskov Futron Sets Futuron Medium Builds Official Sets Space 

6953: Cosmic Laser Launcher

February 3, 2021July 29, 2023 Master Builder
6210: Jabba’s Sail Barge
Episode IV/V/VI Extra Large Builds Official Sets Star Wars Star Wars Sets 

6210: Jabba’s Sail Barge

February 1, 2024February 1, 2024 Master Builder
6487: Mountain Rescue
Official Sets Outback Small Builds Town Town Sets 

6487: Mountain Rescue

July 25, 2022July 25, 2022 Master Builder
6268: Renegade Runner
Medium Builds Official Sets Pirates Pirates I Pirates Sets 

6268: Renegade Runner

April 9, 2020July 13, 2021 Master Builder
1967: System Bonus Pack
Bonus/Value Packs Classic Space Classic Space Sets Duplicate Set Number Official Sets Small Builds Space 

1967: System Bonus Pack

February 13, 2025February 13, 2025 Master Builder
381: Police Headquarters
Classic Town Large Builds Official Sets Police Town Town Sets 

381: Police Headquarters

July 27, 2023July 27, 2023 Master Builder
6552: Rocky River Retreat
Classic Town Large Builds Official Sets Recreation Town Town Sets 

6552: Rocky River Retreat

July 15, 2022July 15, 2022 Master Builder
6039: Twin Arm Launcher
Castle Castle Sets Lion Knights Official Sets Small Builds 

6039: Twin Arm Launcher

April 10, 2021April 10, 2021 Master Builder
6296: Shipwreck Island
Medium Builds Official Sets Pirates Pirates I Pirates Sets 

6296: Shipwreck Island

January 12, 2022January 12, 2022 Master Builder
6206: TIE Interceptor
Episode IV/V/VI Large Builds Official Sets Star Wars Star Wars Sets 

6206: TIE Interceptor

February 1, 2024February 1, 2024 Master Builder
5920: Island Racer
Adventurers Adventurers Sets Dino Island Official Sets Small Builds 

5920: Island Racer

July 26, 2020July 26, 2020 Master Builder
6395: Victory Lap Raceway
Extra Large Builds Official Sets Race Town Town Sets 

6395: Victory Lap Raceway

July 1, 2022July 1, 2022 Master Builder
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

January 22, 2021March 14, 2025 Master Builder
6235: Buried Treasure
Official Sets Pirates Pirates I Pirates Sets Very Small Builds 

6235: Buried Treasure

May 23, 2022May 23, 2022 Master Builder
6061: Siege Tower
Castle Castle Sets Lion Knights Medium Builds Official Sets 

6061: Siege Tower

January 6, 2022January 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
  • 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.

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