Skip to content
Back of the Box Builds

Back of the Box Builds

Build any of these exciting models with this set!

  • THEMES
    • Adventurers
    • Aquazone
    • Building Set with People
    • Castle
    • Holiday and Event
    • Model Team
    • Pirates
    • Space
    • Star Wars
    • Rock Raiders
    • Technic
    • Town
    • Western
  • USEFUL LINKS
    • Contribute!
    • About
    • Alternate Builds
    • Instructions Added
    • Minifigs
    • Very Small Builds
    • Small Builds
    • Medium Builds
    • Large Builds
    • Extra Large Builds
  • THIS IS AN INDEPENDENT SITE NOT AUTHORIZED OR SPONSORED BY THE LEGO GROUP
Alternate Builds Race Town Town Alternate Builds Very Small Builds 

6604 – Back A

November 25, 2020November 25, 2020 Master Builder 533 Views

From: 6604: Formula-1 Racer
Name: TBD
Submitted by: USER
Instructions

  • Back A

  • ← 6604: Formula-1 Racer
  • 6604 – Back B →

You May Also Like

6927 – Back C

October 22, 2019October 22, 2019 Master Builder

6073 – Inside A

October 23, 2019October 23, 2019 Master Builder

1731 – Back B

April 6, 2020April 6, 2020 Master Builder

6931 – Inside A

January 12, 2021January 12, 2021 Master Builder

6422: Telephone Repair

July 28, 2020July 28, 2020 Master Builder

6973 – Back B

September 26, 2019November 9, 2019 Master Builder

EXPLORE MORE OFFICIAL SETS

6871: Star Patrol Launcher
Classic Space Classic Space Sets Official Sets Small Builds 

6871: Star Patrol Launcher

September 27, 2019September 30, 2019 Master Builder

Year Released: 1984Bricklink

5986: Amazon Ancient Ruins
Adventurers Adventurers Sets Extra Large Builds Jungle Official Sets 

5986: Amazon Ancient Ruins

October 29, 2019April 4, 2020 Master Builder
6481: Construction Crew
Classic Town Construction Medium Builds Official Sets Town Town Sets 

6481: Construction Crew

April 9, 2020April 9, 2020 Master Builder
6009: Black Knight
Black Knights Castle Castle Sets Official Sets Very Small Builds 

6009: Black Knight

April 9, 2020April 9, 2020 Master Builder
6928: Uranium Search Vehicle
Classic Space Classic Space Sets Medium Builds Official Sets Space 

6928: Uranium Search Vehicle

January 12, 2021January 12, 2021 Master Builder
6898: Ice-Sat V
Ice Planet 2002 Ice Planet 2002 Sets Medium Builds Official Sets Space 

6898: Ice-Sat V

June 8, 2020June 8, 2020 Master Builder
1731: Ice Planet Scooter
Ice Planet 2002 Ice Planet 2002 Sets Official Sets Space Very Small Builds 

1731: Ice Planet Scooter

April 6, 2020April 6, 2020 Master Builder
6923: Particle Ionizer
M:Tron M:Tron Sets Medium Builds Official Sets 

6923: Particle Ionizer

October 1, 2019October 25, 2019 Master Builder
6890: Cosmic Cruiser
Classic Space Classic Space Sets Medium Builds Official Sets 

6890: Cosmic Cruiser

October 7, 2019October 7, 2019 Master Builder
6350: Pizza To Go
Classic Town Food and Drink Medium Builds Official Sets Town Town Sets 

6350: Pizza To Go

April 9, 2020April 9, 2020 Master Builder
6750: Sonic Robot
Classic Space Classic Space Sets Official Sets Small Builds 

6750: Sonic Robot

September 22, 2019September 28, 2019 Master Builder
6959: Lunar Launch Site
Large Builds Official Sets Spyrius Spyrius Sets 

6959: Lunar Launch Site

April 27, 2020April 27, 2020 Master Builder
5978: Sphinx Secret Surprise
Adventurers Adventurers Sets Desert Large Builds Official Sets 

5978: Sphinx Secret Surprise

October 28, 2019April 4, 2020 Master Builder
6830: Space Patroller
Futron Sets Futuron Official Sets Space Very Small Builds 

6830: Space Patroller

April 8, 2020May 23, 2020 Master Builder
6929: Starfleet Voyager
Classic Space Classic Space Sets Large Builds Official Sets 

6929: Starfleet Voyager

September 22, 2019September 28, 2019 Master Builder
6831: Message Decoder
Official Sets Space Space Police I Space Police I Sets Very Small Builds 

6831: Message Decoder

May 3, 2020May 3, 2020 Master Builder

MINIFIGS

About This Site

Logo
In the 1960s, 70s, 80s, 90s, and early 2000s there were pictures of additional builds on the back of LEGO® boxes. There was a note that said you could build any of those exciting models with that set. There were no instructions, until now.

Themes

  • Adventurers
  • Aquazone
  • Building Set with People
  • Castle
  • Holiday and Event
  • Model Team
  • Pirates
  • Space
  • Star Wars
  • Rock Raiders
  • Technic
  • Town
  • Western

Useful Links

  • Contribute!
  • About
  • Alternate Builds
  • Instructions Added
  • Minifigs
  • Very Small Builds (<35 pcs)
  • Small Builds (<100 pcs)
  • Medium Builds (<200 pcs)
  • Large Builds (<400 pcs)
  • Extra Large Builds (>400 pcs)

In Honor of 1526

The classic space set that never was.

Copyright © 2021 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.