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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

9V

9V Extra Large Builds Official Sets Town Train Train Sets 

4559: Cargo Railway (High Speed Train Starter Set)

October 26, 2026October 26, 2026 Master Builder 6776 Views

Year Released: 1996BricklinkInstructions

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9V Medium Builds Official Sets Town Train Train Sets 

4544: Car Transport Wagon with Car

September 18, 2026September 18, 2026 Master Builder 6872 Views

Year Released: 1994BricklinkInstructions

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9V Extra Large Builds Official Sets Town Train Train Sets 

4558: Metroliner

August 11, 2026August 11, 2026 Master Builder 6924 Views

Year Released: 1991BricklinkInstructions

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9V Medium Builds Official Sets Train Train Sets 

4537: Twin Tank Transport

August 10, 2026August 10, 2026 Master Builder 6883 Views

Year Released: 1993BricklinkInstructions

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9V Extra Large Builds Official Sets Town Train Train Sets 

4554: Metro Station

August 10, 2026August 10, 2026 Master Builder 6857 Views

Year Released: 1991InstructionsBricklink

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9V Large Builds Official Sets Town Train Train Sets 

4552: Cargo Crane

July 22, 2026July 22, 2026 Master Builder 6826 Views

Year Released: 1995InstructionsBricklink

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9V Official Sets Small Builds Town Train Train Sets 

4525: Road and Rail Repair

July 22, 2026July 22, 2026 Master Builder 6955 Views

Year Released: 1994InstructionsBricklink

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9V Medium Builds Official Sets Train Train Sets 

4536: Blue Hopper Car

July 10, 2026July 10, 2026 Master Builder 6861 Views

Year Released: 1991InstructionsBricklink

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9V Medium Builds Official Sets Town Train Train Sets 

4557: Freight Loading Station

July 10, 2026July 10, 2026 Master Builder 6810 Views

Year Released: 1999InstructionsBricklink

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9V Medium Builds Official Sets Town Train Train Sets 

4539: Manual Level Crossing

May 22, 2026May 22, 2026 Master Builder 6845 Views

Year Released: 1991BricklinkInstructions

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9V Medium Builds Official Sets Town Train Train Sets 

4532: Manual Level Crossing

May 22, 2026May 22, 2026 Master Builder 6901 Views

Year Released: 1996BricklinkInstructions

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9V Extra Large Builds Official Sets Town Train Train Sets 

4561: Railway Express with Transformer and Speed Regulator

January 5, 2026January 5, 2026 Master Builder 6764 Views

Year Released: 1999BricklinkInstructions

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9V Extra Large Builds Official Sets Town Train Train Sets 

4565: Freight and Crane Railway

January 5, 2026January 5, 2026 Master Builder 6984 Views

Year Released: 1996BricklinkInstructions

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9V Large Builds Official Sets Town Train Train Sets 

4555: Cargo Station

January 2, 2024January 2, 2024 Master Builder 6837 Views

Year Released: 1995BricklinkInstructions

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9V Extra Large Builds Official Sets Town Train Train Sets 

4563: Load N’ Haul Railroad

July 26, 2022June 23, 2026 Master Builder 7170 Views

Year Released: 1991BricklinkInstructions

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EXPLORE MORE OFFICIAL SETS

7701: Grand Titan
ABCs Exo-Force Medium Builds Official Sets 

7701: Grand Titan

March 26, 2026March 26, 2026 Master Builder

Year Released: 2006BricklinkInstructions 7700+7701

7101: Lightsaber Duel
Episode I Official Sets Small Builds Star Wars Star Wars Sets 

7101: Lightsaber Duel

October 28, 2021October 28, 2021 Master Builder
4032: Passenger Plane
Airport Medium Builds Official Sets Town Town Sets World City 

4032: Passenger Plane

December 29, 2021December 29, 2021 Master Builder
7141: Naboo Fighter
Episode I Medium Builds Official Sets Star Wars Star Wars Sets 

7141: Naboo Fighter

December 29, 2021December 29, 2021 Master Builder
2151: Robo Raider
Medium Builds Official Sets Robo Force Robo Force Alternate Builds Robo Force Sets Space 

2151: Robo Raider

January 14, 2021September 3, 2025 Master Builder
1593: Super Model
Classic Space Classic Space Sets Large Builds Official Sets Space Super Model 

1593: Super Model

February 3, 2021March 18, 2024 Master Builder
6402: Sidewalk Cafe
Official Sets Paradisa Town Town Sets Very Small Builds 

6402: Sidewalk Cafe

October 5, 2019January 14, 2021 Master Builder
4563: Load N’ Haul Railroad
9V Extra Large Builds Official Sets Town Train Train Sets 

4563: Load N’ Haul Railroad

July 26, 2022June 23, 2026 Master Builder
6970: Beta-1 Command Base
Classic Space Classic Space Sets Large Builds Official Sets Space 

6970: Beta-1 Command Base

January 20, 2021January 20, 2021 Master Builder
6829: Radon Rover
ABCs Official Sets Small Builds Space UFO UFO Sets 

6829: Radon Rover

August 4, 2020March 22, 2025 Master Builder
1843 – Bottom
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 – Bottom

January 22, 2021March 14, 2025 Master Builder
1821: Rally Racers
ABCs Box Plus Classic Town Medium Builds Official Sets Playscape/Play Stage Box Race Town Town Sets 

1821: Rally Racers

February 10, 2025March 22, 2025 Master Builder
6901: Mobile Lab
Classic Space Classic Space Sets Medium Builds Official Sets Space 

6901: Mobile Lab

September 11, 2020August 4, 2023 Master Builder
1702: Fire Fighter 4 x 4
Bonus/Value Pack Sets Classic Town Fire Ice Planet 2002 Ice Planet 2002 Sets Official Sets Small Builds Space Town 

1702: Fire Fighter 4 x 4

September 6, 2023September 7, 2023 Master Builder
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
6805: Astro Dasher
Classic Space Classic Space Sets Official Sets Space Very Small Builds 

6805: Astro Dasher

December 10, 2025December 10, 2025 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.

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