Skip to content
Back of the Box Builds

Back of the Box Builds

LEGO Alternate Builds!

  • SETS
    • Adventurers
    • Aquazone
    • 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
    • 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
Official Sets Small Builds Town Town Sets 

1665: Duel FX Racers

April 30, 2024April 30, 2024 Master Builder 4806 Views

Year Released: 1990
Bricklink
Instructions

Back A
Back B
Back C
  • ← Invention Adventure Activity Book – Page 15-16
  • 1665 – Back A →

You May Also Like

6884 – Back B

September 24, 2019October 25, 2021 Master Builder

7043: Firefighter

January 22, 2024January 22, 2024 Master Builder

6431: Road Rescue

January 20, 2022January 20, 2022 Master Builder

6642 – Back C

April 8, 2020April 8, 2020 Master Builder

Book 7777 – Page 78-79

November 11, 2021November 11, 2021 Master Builder

Book 200 – Page 42-43

January 20, 2023January 25, 2023 Master Builder

EXPLORE MORE OFFICIAL SETS

4767: Harry and the Hungarian Horntail
Goblet of Fire Harry Potter Harry Potter Sets Large Builds Official Sets 

4767: Harry and the Hungarian Horntail

May 16, 2023May 16, 2023 Master Builder

Year Released: 2005BricklinkInstructions

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
120270: The Great Technic Racer
Medium Builds Official Sets Super Model Technic Technic Alternate Builds Technic Sets 

120270: The Great Technic Racer

March 8, 2025March 8, 2025 Master Builder
6746: Chief’s Tepee
Indians Jørn Thomsen Medium Builds Official Sets Western Western Sets 

6746: Chief’s Tepee

February 27, 2023July 29, 2023 Master Builder
4920: Rapid Rider
Official Sets Rock Raiders Rock Raiders Sets Very Small Builds 

4920: Rapid Rider

March 1, 2023March 1, 2023 Master Builder
5920: Island Racer
Adventurers Adventurers Sets Dino Island Official Sets Small Builds 

5920: Island Racer

July 26, 2020July 26, 2020 Master Builder
6266: Cannon Cove
Imperial Guards Official Sets Pirates Pirates I Pirates Sets Small Builds 

6266: Cannon Cove

December 27, 2021June 3, 2022 Master Builder
6891: Gamma-V Laser Craft
Classic Space Classic Space Sets Medium Builds Official Sets 

6891: Gamma-V Laser Craft

September 13, 2019August 3, 2024 Master Builder
780: Road Construction Set
Hospital LEGOLAND Medium Builds Official Sets 

780: Road Construction Set

February 14, 2024February 14, 2024 Master Builder
6799: Showdown Canyon
Box Plus Cowboys Official Sets Playscape/Play Stage Box Small Builds Western Western Sets 

6799: Showdown Canyon

August 1, 2023October 8, 2024 Master Builder
6279: Skull Island
Box Story Large Builds Official Sets Pirates Pirates I Pirates Sets 

6279: Skull Island

February 21, 2025February 21, 2025 Master Builder
5958: Mummy’s Tomb
Adventurers Adventurers Sets Desert Large Builds Official Sets 

5958: Mummy’s Tomb

October 27, 2019July 14, 2022 Master Builder
6236: King Kahuka
Islanders Official Sets Pirates Pirates I Pirates Sets Small Builds 

6236: King Kahuka

December 28, 2021December 28, 2021 Master Builder
6263: Imperial Outpost
Imperial Guards Medium Builds Official Sets Pirates Pirates I Pirates Sets 

6263: Imperial Outpost

February 21, 2025February 21, 2025 Master Builder
6281: Pirates Perilous Pitfall
Box Story Large Builds Official Sets Pirates Pirates I Pirates Sets 

6281: Pirates Perilous Pitfall

February 21, 2025February 21, 2025 Master Builder
4705: Snape’s Class
Harry Potter Harry Potter Sets Medium Builds Official Sets Sorcerer's Stone 

4705: Snape’s Class

April 16, 2021April 16, 2021 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
  • 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.

Copyright © 2025 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.