Skip to content
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
Alternate Builds Classic Town Fire Small Builds Town Town Alternate Builds 

6571 – Inside D

August 10, 2026August 10, 2026 Master Builder 2989 Views

From: 6571: Flame Fighters
Name: TBD
Submitted by: USER
Instructions:

  • ← 6571 – Inside C
  • 4537: Twin Tank Transport →

You May Also Like

6232 – Back B

July 13, 2021July 13, 2021 Master Builder

6666 – Back B

August 31, 2022September 19, 2022 Master Builder

928 – Inside A

November 24, 2020October 13, 2021 Master Builder

1750 – Back A

July 13, 2021July 13, 2021 Master Builder

6511 – Back C

May 10, 2022May 10, 2022 Master Builder

6062 – Back D

August 18, 2023August 22, 2023 Master Builder

EXPLORE MORE OFFICIAL SETS

4565: Freight and Crane Railway
9V Extra Large Builds Official Sets Town Train Train Sets 

4565: Freight and Crane Railway

January 5, 2026January 5, 2026 Master Builder

Year Released: 1996BricklinkInstructions

6874: Moon Rover
Classic Space Classic Space Sets Official Sets Small Builds Space 

6874: Moon Rover

November 6, 2023November 6, 2023 Master Builder
6807: Space Sledge with Astronaut and Robot
Classic Space Classic Space Sets Official Sets Space Very Small Builds 

6807: Space Sledge with Astronaut and Robot

November 21, 2023November 21, 2023 Master Builder
6442: Sting Ray Explorer
Divers Medium Builds Official Sets Town Town Sets 

6442: Sting Ray Explorer

December 29, 2021December 29, 2021 Master Builder
6841: Mineral Detector
Classic Space Classic Space Sets Official Sets Very Small Builds 

6841: Mineral Detector

October 3, 2019October 3, 2019 Master Builder
6190: Shark’s Crystal Cave
Aquashark Aquazone Aquazone Sets Large Builds Official Sets 

6190: Shark’s Crystal Cave

July 13, 2021January 20, 2022 Master Builder
6018: Battle Dragon
Black Knights Castle Castle Sets Official Sets Small Builds 

6018: Battle Dragon

October 5, 2019April 4, 2020 Master Builder
6952: Solar Power Transporter
ABCs Classic Space Classic Space Sets Large Builds Official Sets 

6952: Solar Power Transporter

September 22, 2019March 20, 2025 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
6941: Battrax
Blacktron Blacktron Sets Box Marketing Blurb Large Builds Official Sets 

6941: Battrax

September 13, 2019March 28, 2026 Master Builder
6083-2: Samurai Stronghold
Box Story Duplicate Set Number Medium Builds Ninja Ninja Alternate Builds Ninja Official Sets Official Sets 

6083-2: Samurai Stronghold

December 16, 2025December 16, 2025 Master Builder
5521: Sea Jet
Large Builds Model Team Model Team Sets Official Sets 

5521: Sea Jet

January 12, 2021January 31, 2026 Master Builder
4719: Quality Quidditch Supplies
Chamber of Secrets Harry Potter Harry Potter Sets Medium Builds Official Sets 

4719: Quality Quidditch Supplies

March 22, 2025March 22, 2025 Master Builder
1626: Angel Polybag
Holiday and Event Holiday and Event Sets Official Sets Very Small Builds 

1626: Angel Polybag

March 4, 2023March 4, 2023 Master Builder
6390: Main Street
Box Marketing Blurb Classic Town Extra Large Builds Official Sets Town Town Sets Traffic 

6390: Main Street

February 10, 2023April 3, 2024 Master Builder
1732 (1712): Crossbow Cart
Castle Castle Sets Dragon Knights Official Sets Very Small Builds 

1732 (1712): Crossbow Cart

August 19, 2024October 8, 2024 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.

Copyright © 2026 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.