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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

Model Team Alternate Builds

Alternate Builds Instructions Added Large Alt Build Large Builds Model Team Model Team Alternate Builds 

5540 – Back A

February 10, 2026March 4, 2026 Master Builder 4528 Views

From: 5540: Formula I RacerName: TBD Instructions: View PDF | Download .io File

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Alternate Builds Instructions Added Large Alt Build Large Builds Model Team Model Team Alternate Builds 

5510 – Back A

February 10, 2026March 4, 2026 Master Builder 4350 Views

From: 5510: Off Road 4×4Name: TBD Instructions: View PDF | Download .io File

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Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added Model Team Model Team Alternate Builds 

5580 – Back A

February 9, 2026March 4, 2026 Master Builder 5101 Views

From: 5580: Highway RigName: TBD Instructions: View PDF | Download .io File

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Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added Model Team Model Team Alternate Builds 

5550 – Back A

February 9, 2026March 4, 2026 Master Builder 4994 Views

From: 5550: Custom Rally VanName: TBD Instructions: View PDF | Download .io File

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Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added Model Team Model Team Alternate Builds 

5581 – Back A

January 31, 2026March 4, 2026 Master Builder 5359 Views

From: 5581: Magic FlashName: TBD Instructions: View PDF | Download .io File

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Alternate Builds Instructions Added Large Alt Build Large Builds Model Team Model Team Alternate Builds 

5521 – Back A

January 29, 2026March 4, 2026 Master Builder 4646 Views

From: 5521: Sea JetName: TBD Instructions: View PDF | Download .io File

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EXPLORE MORE OFFICIAL SETS

6367: Truck
Cargo Classic Town Medium Builds Official Sets Town Town Sets 

6367: Truck

February 17, 2023February 17, 2023 Master Builder

Year Released: 1984BricklinkInstructions

1380: Werewolf Ambush
Official Sets Small Builds Studio Sets Studios 

1380: Werewolf Ambush

December 16, 2025December 16, 2025 Master Builder
6545: Search N’ Rescue
Classic Town Large Builds Official Sets Police Town Town Sets 

6545: Search N’ Rescue

June 2, 2022June 2, 2022 Master Builder
7124: Flash Speeder
Official Sets Small Builds Star Wars Star Wars Sets 

7124: Flash Speeder

November 15, 2019November 15, 2019 Master Builder
6040: Blacksmith Shop
Castle Castle Sets Lion Knights Official Sets Small Builds 

6040: Blacksmith Shop

October 8, 2023October 8, 2023 Master Builder
8812: Aero Hawk II
Medium Builds Official Sets Technic Technic Sets 

8812: Aero Hawk II

January 22, 2026January 22, 2026 Master Builder
6059: Knight’s Stronghold
Black Knights Castle Castle Sets Medium Builds Official Sets 

6059: Knight’s Stronghold

July 13, 2021July 13, 2021 Master Builder
6358: Snorkel Squad
Classic Town Fire Medium Builds Official Sets Town Town Sets 

6358: Snorkel Squad

April 15, 2021April 15, 2021 Master Builder
4741: Blacktron Super Vehicle Value 3-Pack 
Blacktron II Blacktron II Alternate Builds Blacktron II Sets Bonus/Value Pack Sets Bonus/Value Packs Large Builds Official Sets Space Super Model 

4741: Blacktron Super Vehicle Value 3-Pack 

February 19, 2026February 20, 2026 Master Builder
5948: Desert Expedition
Adventurers Adventurers Sets Desert Medium Builds Official Sets 

5948: Desert Expedition

October 8, 2024October 8, 2024 Master Builder
1752: Boat with Armor
Castle Castle Sets Official Sets Royal Knights Very Small Builds 

1752: Boat with Armor

April 10, 2023April 10, 2023 Master Builder
6506: Precinct Cruiser
Classic Town Official Sets Police Town Town Sets Very Small Builds 

6506: Precinct Cruiser

July 12, 2021July 12, 2021 Master Builder
6546: Slick Racer
Official Sets Town Town Sets Very Small Builds 

6546: Slick Racer

May 23, 2022May 23, 2022 Master Builder
6453: Com-Link Cruiser (Comlink Cruiser)
Official Sets Small Builds Space Port Town Town Sets 

6453: Com-Link Cruiser (Comlink Cruiser)

August 2, 2020July 14, 2021 Master Builder
2963: Extreme Racer
Extreme Team Official Sets Small Builds Town Town Sets 

2963: Extreme Racer

January 30, 2024January 30, 2024 Master Builder
8002: Destroyer Droid
Episode I Extra Large Builds Official Sets Star Wars Star Wars Sets Star Wars Technic Technic 

8002: Destroyer Droid

August 17, 2023September 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
  • 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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