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
Airport Alternate Builds Classic Town Medium Builds Town Town Alternate Builds 

3439 – Back A

May 11, 2022May 11, 2022 Master Builder 3545 Views

From: 3439: Spy Runner
Name: TBD
Submitted by: USER
Instructions:

  • ← 3439: Spy Runner
  • 6482 – Back C →

You May Also Like

6832 – Back B

October 5, 2019October 25, 2021 Master Builder

8876 – Back A

January 20, 2026January 20, 2026 Master Builder

4950 – Back C

November 10, 2019December 16, 2019 Master Builder

7141 – Back A

December 29, 2021December 29, 2021 Master Builder

6263 – Back A

February 21, 2026March 3, 2026 Master Builder

6375 – Back D

July 30, 2024August 9, 2024 Master Builder

EXPLORE MORE OFFICIAL SETS

1621: Lunar MPV Vehicle
Bonus/Value Pack Sets Futron Sets Futuron Jørn Thomsen Official Sets Small Builds Space 

1621: Lunar MPV Vehicle

September 6, 2023September 7, 2023 Master Builder

Year Released: 1990Designer: Jørn ThomsenBricklinkInstructions *This set was available in 1616: Space Combi-Pack. The back of this box was glued to the

535: Basic Building Set Tote Pack
Basic Large Builds Official Sets Universal Building Set 

535: Basic Building Set Tote Pack

May 15, 2023May 16, 2023 Master Builder
6687: Turbo Prop I
Airport Classic Town Official Sets Small Builds Town Town Sets 

6687: Turbo Prop I

December 27, 2021December 27, 2021 Master Builder
6734: Beach Cruiser
Island Xtreme Stunts Island Xtreme Stunts Sets Medium Builds Official Sets 

6734: Beach Cruiser

April 7, 2026April 7, 2026 Master Builder
7255: General Grievous Chase
Episode III Official Sets Small Builds Star Wars Star Wars Sets 

7255: General Grievous Chase

March 2, 2023March 2, 2023 Master Builder
4594: Maverick Sprinter & Hot Arrow
Drome Racers Official Sets Racers Small Builds 

4594: Maverick Sprinter & Hot Arrow

February 21, 2025February 21, 2025 Master Builder
6589: Radical Racer {with Rocky Ridge Playscape}
Box Plus Extreme Team Official Sets Playscape/Play Stage Box Small Builds Town Town Sets 

6589: Radical Racer {with Rocky Ridge Playscape}

February 27, 2023October 8, 2024 Master Builder
7252: Droid Tri-Fighter
Episode III Medium Builds Official Sets Star Wars Star Wars Sets 

7252: Droid Tri-Fighter

March 3, 2023November 12, 2024 Master Builder
6379: Riding Stable
Building Classic Town Large Builds Official Sets Town Town Sets 

6379: Riding Stable

February 8, 2022February 8, 2022 Master Builder
6835: Saucer Scout
Jørn Thomsen Official Sets Small Builds Spyrius Spyrius Sets 

6835: Saucer Scout

November 9, 2019July 29, 2023 Master Builder
6847: Space Dozer
ABCs Classic Space Classic Space Sets Official Sets Small Builds Space 

6847: Space Dozer

January 29, 2025April 10, 2025 Master Builder
951: Bulldozer
Large Builds Official Sets Technic Technic Sets 

951: Bulldozer

December 17, 2025December 17, 2025 Master Builder
6370: Weekend Home
Building Classic Town Medium Builds Official Sets Town Town Sets 

6370: Weekend Home

February 17, 2023February 19, 2023 Master Builder
4561: Railway Express with Transformer and Speed Regulator
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
371-3: Seaplane
Airport LEGOLAND Medium Builds Official Sets 

371-3: Seaplane

October 8, 2024October 8, 2024 Master Builder
6832: Super Nova II
Blacktron II Blacktron II Sets Official Sets Very Small Builds 

6832: Super Nova II

October 5, 2019October 5, 2019 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.